257968440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 873905760

約数和(自身を除く): 615937320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 107, 111, 120, 148, 180, 181, 185, 214, 222, 296, 321, 333, 360, 362, 370, 428, 444, 535, 543, 555, 642, 666, 724, 740, 856, 888, 905, 963, 1070, 1086, 1110, 1284, 1332, 1448, 1480, 1605, 1629, 1665, 1810, 1926, 2140, 2172, 2220, 2568, 2664, 2715, 3210, 3258, 3330, 3620, 3852, 3959, 4280, 4344, 4440, 4815, 5430, 6420, 6516, 6660, 6697, 7240, 7704, 7918, 8145, 9630, 10860, 11877, 12840, 13032, 13320, 13394, 15836, 16290, 19260, 19367, 19795, 20091, 21720, 23754, 26788, 31672, 32580, 33485, 35631, 38520, 38734, 39590, 40182, 47508, 53576, 58101, 59385, 60273, 65160, 66970, 71262, 77468, 79180, 80364, 95016, 96835, 100455, 116202, 118770, 120546, 133940, 142524, 154936, 158360, 160728, 174303, 178155, 193670, 200910, 232404, 237540, 241092, 267880, 285048, 290505, 301365, 348606, 356310, 387340, 401820, 464808, 475080, 482184, 581010, 602730, 697212, 712620, 716579, 774680, 803640, 871515, 1162020, 1205460, 1394424, 1425240, 1433158, 1743030, 2149737, 2324040, 2410920, 2866316, 3486060, 3582895, 4299474, 5732632, 6449211, 6972120, 7165790, 8598948, 10748685, 12898422, 14331580, 17197896, 21497370, 25796844, 28663160, 32246055, 42994740, 51593688, 64492110, 85989480, 128984220, 257968440]

約数ペア:

[(1, 257968440), (2, 128984220), (3, 85989480), (4, 64492110), (5, 51593688), (6, 42994740), (8, 32246055), (9, 28663160), (10, 25796844), (12, 21497370), (15, 17197896), (18, 14331580), (20, 12898422), (24, 10748685), (30, 8598948), (36, 7165790), (37, 6972120), (40, 6449211), (45, 5732632), (60, 4299474), (72, 3582895), (74, 3486060), (90, 2866316), (107, 2410920), (111, 2324040), (120, 2149737), (148, 1743030), (180, 1433158), (181, 1425240), (185, 1394424), (214, 1205460), (222, 1162020), (296, 871515), (321, 803640), (333, 774680), (360, 716579), (362, 712620), (370, 697212), (428, 602730), (444, 581010), (535, 482184), (543, 475080), (555, 464808), (642, 401820), (666, 387340), (724, 356310), (740, 348606), (856, 301365), (888, 290505), (905, 285048), (963, 267880), (1070, 241092), (1086, 237540), (1110, 232404), (1284, 200910), (1332, 193670), (1448, 178155), (1480, 174303), (1605, 160728), (1629, 158360), (1665, 154936), (1810, 142524), (1926, 133940), (2140, 120546), (2172, 118770), (2220, 116202), (2568, 100455), (2664, 96835), (2715, 95016), (3210, 80364), (3258, 79180), (3330, 77468), (3620, 71262), (3852, 66970), (3959, 65160), (4280, 60273), (4344, 59385), (4440, 58101), (4815, 53576), (5430, 47508), (6420, 40182), (6516, 39590), (6660, 38734), (6697, 38520), (7240, 35631), (7704, 33485), (7918, 32580), (8145, 31672), (9630, 26788), (10860, 23754), (11877, 21720), (12840, 20091), (13032, 19795), (13320, 19367), (13394, 19260), (15836, 16290)]