251615520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13441}}^1$

素因数の和:13475

約数の個数: 144

約数和(自身を含む): 924755832

約数和(自身を除く): 673140312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 13441, 18720, 26882, 40323, 53764, 67205, 80646, 107528, 120969, 134410, 161292, 174733, 201615, 215056, 241938, 268820, 322584, 349466, 403230, 430112, 483876, 524199, 537640, 604845, 645168, 698932, 806460, 873665, 967752, 1048398, 1075280, 1209690, 1290336, 1397864, 1572597, 1612920, 1747330, 1935504, 2096796, 2150560, 2419380, 2620995, 2795728, 3145194, 3225840, 3494660, 3871008, 4193592, 4838760, 5241990, 5591456, 6290388, 6451680, 6989320, 7862985, 8387184, 9677520, 10483980, 12580776, 13978640, 15725970, 16774368, 19355040, 20967960, 25161552, 27957280, 31451940, 41935920, 50323104, 62903880, 83871840, 125807760, 251615520]

約数ペア:

[(1, 251615520), (2, 125807760), (3, 83871840), (4, 62903880), (5, 50323104), (6, 41935920), (8, 31451940), (9, 27957280), (10, 25161552), (12, 20967960), (13, 19355040), (15, 16774368), (16, 15725970), (18, 13978640), (20, 12580776), (24, 10483980), (26, 9677520), (30, 8387184), (32, 7862985), (36, 6989320), (39, 6451680), (40, 6290388), (45, 5591456), (48, 5241990), (52, 4838760), (60, 4193592), (65, 3871008), (72, 3494660), (78, 3225840), (80, 3145194), (90, 2795728), (96, 2620995), (104, 2419380), (117, 2150560), (120, 2096796), (130, 1935504), (144, 1747330), (156, 1612920), (160, 1572597), (180, 1397864), (195, 1290336), (208, 1209690), (234, 1075280), (240, 1048398), (260, 967752), (288, 873665), (312, 806460), (360, 698932), (390, 645168), (416, 604845), (468, 537640), (480, 524199), (520, 483876), (585, 430112), (624, 403230), (720, 349466), (780, 322584), (936, 268820), (1040, 241938), (1170, 215056), (1248, 201615), (1440, 174733), (1560, 161292), (1872, 134410), (2080, 120969), (2340, 107528), (3120, 80646), (3744, 67205), (4680, 53764), (6240, 40323), (9360, 26882), (13441, 18720)]