248785680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:710

約数の個数: 240

約数和(自身を含む): 914316480

約数和(自身を除く): 665530800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 121, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 242, 260, 264, 286, 312, 330, 363, 390, 429, 440, 484, 520, 528, 572, 605, 624, 659, 660, 715, 726, 780, 858, 880, 968, 1040, 1144, 1210, 1318, 1320, 1430, 1452, 1560, 1573, 1716, 1815, 1936, 1977, 2145, 2288, 2420, 2636, 2640, 2860, 2904, 3120, 3146, 3295, 3432, 3630, 3954, 4290, 4719, 4840, 5272, 5720, 5808, 6292, 6590, 6864, 7249, 7260, 7865, 7908, 8567, 8580, 9438, 9680, 9885, 10544, 11440, 12584, 13180, 14498, 14520, 15730, 15816, 17134, 17160, 18876, 19770, 21747, 23595, 25168, 25701, 26360, 28996, 29040, 31460, 31632, 34268, 34320, 36245, 37752, 39540, 42835, 43494, 47190, 51402, 52720, 57992, 62920, 68536, 72490, 75504, 79080, 79739, 85670, 86988, 94237, 94380, 102804, 108735, 115984, 125840, 128505, 137072, 144980, 158160, 159478, 171340, 173976, 188474, 188760, 205608, 217470, 239217, 257010, 282711, 289960, 318956, 342680, 347952, 376948, 377520, 398695, 411216, 434940, 471185, 478434, 514020, 565422, 579920, 637912, 685360, 753896, 797390, 869880, 942370, 956868, 1028040, 1036607, 1130844, 1196085, 1275824, 1413555, 1507792, 1594780, 1739760, 1884740, 1913736, 2056080, 2073214, 2261688, 2392170, 2827110, 3109821, 3189560, 3769480, 3827472, 4146428, 4523376, 4784340, 5183035, 5654220, 6219642, 6379120, 7538960, 8292856, 9568680, 10366070, 11308440, 12439284, 15549105, 16585712, 19137360, 20732140, 22616880, 24878568, 31098210, 41464280, 49757136, 62196420, 82928560, 124392840, 248785680]

約数ペア:

[(1, 248785680), (2, 124392840), (3, 82928560), (4, 62196420), (5, 49757136), (6, 41464280), (8, 31098210), (10, 24878568), (11, 22616880), (12, 20732140), (13, 19137360), (15, 16585712), (16, 15549105), (20, 12439284), (22, 11308440), (24, 10366070), (26, 9568680), (30, 8292856), (33, 7538960), (39, 6379120), (40, 6219642), (44, 5654220), (48, 5183035), (52, 4784340), (55, 4523376), (60, 4146428), (65, 3827472), (66, 3769480), (78, 3189560), (80, 3109821), (88, 2827110), (104, 2392170), (110, 2261688), (120, 2073214), (121, 2056080), (130, 1913736), (132, 1884740), (143, 1739760), (156, 1594780), (165, 1507792), (176, 1413555), (195, 1275824), (208, 1196085), (220, 1130844), (240, 1036607), (242, 1028040), (260, 956868), (264, 942370), (286, 869880), (312, 797390), (330, 753896), (363, 685360), (390, 637912), (429, 579920), (440, 565422), (484, 514020), (520, 478434), (528, 471185), (572, 434940), (605, 411216), (624, 398695), (659, 377520), (660, 376948), (715, 347952), (726, 342680), (780, 318956), (858, 289960), (880, 282711), (968, 257010), (1040, 239217), (1144, 217470), (1210, 205608), (1318, 188760), (1320, 188474), (1430, 173976), (1452, 171340), (1560, 159478), (1573, 158160), (1716, 144980), (1815, 137072), (1936, 128505), (1977, 125840), (2145, 115984), (2288, 108735), (2420, 102804), (2636, 94380), (2640, 94237), (2860, 86988), (2904, 85670), (3120, 79739), (3146, 79080), (3295, 75504), (3432, 72490), (3630, 68536), (3954, 62920), (4290, 57992), (4719, 52720), (4840, 51402), (5272, 47190), (5720, 43494), (5808, 42835), (6292, 39540), (6590, 37752), (6864, 36245), (7249, 34320), (7260, 34268), (7865, 31632), (7908, 31460), (8567, 29040), (8580, 28996), (9438, 26360), (9680, 25701), (9885, 25168), (10544, 23595), (11440, 21747), (12584, 19770), (13180, 18876), (14498, 17160), (14520, 17134), (15730, 15816)]