20981360160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1148

約数の個数: 288

約数和(自身を含む): 73235071728

約数和(自身を除く): 52253711568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 288, 318, 360, 421, 424, 477, 480, 530, 636, 653, 720, 795, 842, 848, 954, 1060, 1263, 1272, 1306, 1440, 1590, 1684, 1696, 1908, 1959, 2105, 2120, 2385, 2526, 2544, 2612, 3180, 3265, 3368, 3789, 3816, 3918, 4210, 4240, 4770, 5052, 5088, 5224, 5877, 6315, 6360, 6530, 6736, 7578, 7632, 7836, 8420, 8480, 9540, 9795, 10104, 10448, 11754, 12630, 12720, 13060, 13472, 15156, 15264, 15672, 16840, 18945, 19080, 19590, 20208, 20896, 22313, 23508, 25260, 25440, 26120, 29385, 30312, 31344, 33680, 34609, 37890, 38160, 39180, 40416, 44626, 47016, 50520, 52240, 58770, 60624, 62688, 66939, 67360, 69218, 75780, 76320, 78360, 89252, 94032, 101040, 103827, 104480, 111565, 117540, 121248, 133878, 138436, 151560, 156720, 173045, 178504, 188064, 200817, 202080, 207654, 223130, 235080, 267756, 274913, 276872, 303120, 311481, 313440, 334695, 346090, 357008, 401634, 415308, 446260, 470160, 519135, 535512, 549826, 553744, 606240, 622962, 669390, 692180, 714016, 803268, 824739, 830616, 892520, 940320, 1004085, 1038270, 1071024, 1099652, 1107488, 1245924, 1338780, 1374565, 1384360, 1557405, 1606536, 1649478, 1661232, 1785040, 2008170, 2076540, 2142048, 2199304, 2474217, 2491848, 2677560, 2749130, 2768720, 3114810, 3213072, 3298956, 3322464, 3570080, 4016340, 4123695, 4153080, 4398608, 4948434, 4983696, 5355120, 5498260, 5537440, 6229620, 6426144, 6597912, 8032680, 8247390, 8306160, 8797216, 9896868, 9967392, 10710240, 10996520, 12371085, 12459240, 13195824, 14570389, 16065360, 16494780, 16612320, 19793736, 21993040, 24742170, 24918480, 26391648, 29140778, 32130720, 32989560, 39587472, 43711167, 43986080, 49484340, 49836960, 58281556, 65979120, 72851945, 79174944, 87422334, 98968680, 116563112, 131133501, 131958240, 145703890, 174844668, 197937360, 218555835, 233126224, 262267002, 291407780, 349689336, 395874720, 437111670, 466252448, 524534004, 582815560, 655667505, 699378672, 874223340, 1049068008, 1165631120, 1311335010, 1398757344, 1748446680, 2098136016, 2331262240, 2622670020, 3496893360, 4196272032, 5245340040, 6993786720, 10490680080, 20981360160]

約数ペア:

[(1, 20981360160), (2, 10490680080), (3, 6993786720), (4, 5245340040), (5, 4196272032), (6, 3496893360), (8, 2622670020), (9, 2331262240), (10, 2098136016), (12, 1748446680), (15, 1398757344), (16, 1311335010), (18, 1165631120), (20, 1049068008), (24, 874223340), (30, 699378672), (32, 655667505), (36, 582815560), (40, 524534004), (45, 466252448), (48, 437111670), (53, 395874720), (60, 349689336), (72, 291407780), (80, 262267002), (90, 233126224), (96, 218555835), (106, 197937360), (120, 174844668), (144, 145703890), (159, 131958240), (160, 131133501), (180, 116563112), (212, 98968680), (240, 87422334), (265, 79174944), (288, 72851945), (318, 65979120), (360, 58281556), (421, 49836960), (424, 49484340), (477, 43986080), (480, 43711167), (530, 39587472), (636, 32989560), (653, 32130720), (720, 29140778), (795, 26391648), (842, 24918480), (848, 24742170), (954, 21993040), (1060, 19793736), (1263, 16612320), (1272, 16494780), (1306, 16065360), (1440, 14570389), (1590, 13195824), (1684, 12459240), (1696, 12371085), (1908, 10996520), (1959, 10710240), (2105, 9967392), (2120, 9896868), (2385, 8797216), (2526, 8306160), (2544, 8247390), (2612, 8032680), (3180, 6597912), (3265, 6426144), (3368, 6229620), (3789, 5537440), (3816, 5498260), (3918, 5355120), (4210, 4983696), (4240, 4948434), (4770, 4398608), (5052, 4153080), (5088, 4123695), (5224, 4016340), (5877, 3570080), (6315, 3322464), (6360, 3298956), (6530, 3213072), (6736, 3114810), (7578, 2768720), (7632, 2749130), (7836, 2677560), (8420, 2491848), (8480, 2474217), (9540, 2199304), (9795, 2142048), (10104, 2076540), (10448, 2008170), (11754, 1785040), (12630, 1661232), (12720, 1649478), (13060, 1606536), (13472, 1557405), (15156, 1384360), (15264, 1374565), (15672, 1338780), (16840, 1245924), (18945, 1107488), (19080, 1099652), (19590, 1071024), (20208, 1038270), (20896, 1004085), (22313, 940320), (23508, 892520), (25260, 830616), (25440, 824739), (26120, 803268), (29385, 714016), (30312, 692180), (31344, 669390), (33680, 622962), (34609, 606240), (37890, 553744), (38160, 549826), (39180, 535512), (40416, 519135), (44626, 470160), (47016, 446260), (50520, 415308), (52240, 401634), (58770, 357008), (60624, 346090), (62688, 334695), (66939, 313440), (67360, 311481), (69218, 303120), (75780, 276872), (76320, 274913), (78360, 267756), (89252, 235080), (94032, 223130), (101040, 207654), (103827, 202080), (104480, 200817), (111565, 188064), (117540, 178504), (121248, 173045), (133878, 156720), (138436, 151560)]