81834480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1288

約数の個数: 240

約数和(自身を含む): 338520000

約数和(自身を除く): 256685520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1249, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2498, 2520, 2730, 3120, 3276, 3640, 3747, 4095, 4368, 4680, 4996, 5040, 5460, 6245, 6552, 7280, 7494, 8190, 8743, 9360, 9992, 10920, 11241, 12490, 13104, 14988, 16237, 16380, 17486, 18735, 19984, 21840, 22482, 24980, 26229, 29976, 32474, 32760, 34972, 37470, 43715, 44964, 48711, 49960, 52458, 56205, 59952, 64948, 65520, 69944, 74940, 78687, 81185, 87430, 89928, 97422, 99920, 104916, 112410, 113659, 129896, 131145, 139888, 146133, 149880, 157374, 162370, 174860, 179856, 194844, 209832, 224820, 227318, 243555, 259792, 262290, 292266, 299760, 314748, 324740, 340977, 349720, 389688, 393435, 419664, 449640, 454636, 487110, 524580, 568295, 584532, 629496, 649480, 681954, 699440, 730665, 779376, 786870, 899280, 909272, 974220, 1022931, 1049160, 1136590, 1169064, 1258992, 1298960, 1363908, 1461330, 1573740, 1704885, 1818544, 1948440, 2045862, 2098320, 2273180, 2338128, 2727816, 2922660, 3147480, 3409770, 3896880, 4091724, 4546360, 5114655, 5455632, 5845320, 6294960, 6819540, 8183448, 9092720, 10229310, 11690640, 13639080, 16366896, 20458620, 27278160, 40917240, 81834480]

約数ペア:

[(1, 81834480), (2, 40917240), (3, 27278160), (4, 20458620), (5, 16366896), (6, 13639080), (7, 11690640), (8, 10229310), (9, 9092720), (10, 8183448), (12, 6819540), (13, 6294960), (14, 5845320), (15, 5455632), (16, 5114655), (18, 4546360), (20, 4091724), (21, 3896880), (24, 3409770), (26, 3147480), (28, 2922660), (30, 2727816), (35, 2338128), (36, 2273180), (39, 2098320), (40, 2045862), (42, 1948440), (45, 1818544), (48, 1704885), (52, 1573740), (56, 1461330), (60, 1363908), (63, 1298960), (65, 1258992), (70, 1169064), (72, 1136590), (78, 1049160), (80, 1022931), (84, 974220), (90, 909272), (91, 899280), (104, 786870), (105, 779376), (112, 730665), (117, 699440), (120, 681954), (126, 649480), (130, 629496), (140, 584532), (144, 568295), (156, 524580), (168, 487110), (180, 454636), (182, 449640), (195, 419664), (208, 393435), (210, 389688), (234, 349720), (240, 340977), (252, 324740), (260, 314748), (273, 299760), (280, 292266), (312, 262290), (315, 259792), (336, 243555), (360, 227318), (364, 224820), (390, 209832), (420, 194844), (455, 179856), (468, 174860), (504, 162370), (520, 157374), (546, 149880), (560, 146133), (585, 139888), (624, 131145), (630, 129896), (720, 113659), (728, 112410), (780, 104916), (819, 99920), (840, 97422), (910, 89928), (936, 87430), (1008, 81185), (1040, 78687), (1092, 74940), (1170, 69944), (1249, 65520), (1260, 64948), (1365, 59952), (1456, 56205), (1560, 52458), (1638, 49960), (1680, 48711), (1820, 44964), (1872, 43715), (2184, 37470), (2340, 34972), (2498, 32760), (2520, 32474), (2730, 29976), (3120, 26229), (3276, 24980), (3640, 22482), (3747, 21840), (4095, 19984), (4368, 18735), (4680, 17486), (4996, 16380), (5040, 16237), (5460, 14988), (6245, 13104), (6552, 12490), (7280, 11241), (7494, 10920), (8190, 9992), (8743, 9360)]