145444920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 453911040

約数和(自身を除く): 308466120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 71, 86, 120, 129, 142, 172, 213, 215, 258, 284, 344, 355, 397, 426, 430, 516, 568, 645, 710, 794, 852, 860, 1032, 1065, 1191, 1290, 1420, 1588, 1704, 1720, 1985, 2130, 2382, 2580, 2840, 3053, 3176, 3970, 4260, 4764, 5160, 5955, 6106, 7940, 8520, 9159, 9528, 11910, 12212, 15265, 15880, 17071, 18318, 23820, 24424, 28187, 30530, 34142, 36636, 45795, 47640, 51213, 56374, 61060, 68284, 73272, 84561, 85355, 91590, 102426, 112748, 122120, 136568, 140935, 169122, 170710, 183180, 204852, 225496, 256065, 281870, 338244, 341420, 366360, 409704, 422805, 512130, 563740, 676488, 682840, 845610, 1024260, 1127480, 1212041, 1691220, 2048520, 2424082, 3382440, 3636123, 4848164, 6060205, 7272246, 9696328, 12120410, 14544492, 18180615, 24240820, 29088984, 36361230, 48481640, 72722460, 145444920]

約数ペア:

[(1, 145444920), (2, 72722460), (3, 48481640), (4, 36361230), (5, 29088984), (6, 24240820), (8, 18180615), (10, 14544492), (12, 12120410), (15, 9696328), (20, 7272246), (24, 6060205), (30, 4848164), (40, 3636123), (43, 3382440), (60, 2424082), (71, 2048520), (86, 1691220), (120, 1212041), (129, 1127480), (142, 1024260), (172, 845610), (213, 682840), (215, 676488), (258, 563740), (284, 512130), (344, 422805), (355, 409704), (397, 366360), (426, 341420), (430, 338244), (516, 281870), (568, 256065), (645, 225496), (710, 204852), (794, 183180), (852, 170710), (860, 169122), (1032, 140935), (1065, 136568), (1191, 122120), (1290, 112748), (1420, 102426), (1588, 91590), (1704, 85355), (1720, 84561), (1985, 73272), (2130, 68284), (2382, 61060), (2580, 56374), (2840, 51213), (3053, 47640), (3176, 45795), (3970, 36636), (4260, 34142), (4764, 30530), (5160, 28187), (5955, 24424), (6106, 23820), (7940, 18318), (8520, 17071), (9159, 15880), (9528, 15265), (11910, 12212)]