720104040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1459}}^1$

素因数の和:1936

約数の個数: 128

約数和(自身を含む): 2407248000

約数和(自身を除く): 1687143960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 457, 540, 914, 1080, 1371, 1459, 1828, 2285, 2742, 2918, 3656, 4113, 4377, 4570, 5484, 5836, 6855, 7295, 8226, 8754, 9140, 10968, 11672, 12339, 13131, 13710, 14590, 16452, 17508, 18280, 20565, 21885, 24678, 26262, 27420, 29180, 32904, 35016, 39393, 41130, 43770, 49356, 52524, 54840, 58360, 61695, 65655, 78786, 82260, 87540, 98712, 105048, 123390, 131310, 157572, 164520, 175080, 196965, 246780, 262620, 315144, 393930, 493560, 525240, 666763, 787860, 1333526, 1575720, 2000289, 2667052, 3333815, 4000578, 5334104, 6000867, 6667630, 8001156, 10001445, 12001734, 13335260, 16002312, 18002601, 20002890, 24003468, 26670520, 30004335, 36005202, 40005780, 48006936, 60008670, 72010404, 80011560, 90013005, 120017340, 144020808, 180026010, 240034680, 360052020, 720104040]

約数ペア:

[(1, 720104040), (2, 360052020), (3, 240034680), (4, 180026010), (5, 144020808), (6, 120017340), (8, 90013005), (9, 80011560), (10, 72010404), (12, 60008670), (15, 48006936), (18, 40005780), (20, 36005202), (24, 30004335), (27, 26670520), (30, 24003468), (36, 20002890), (40, 18002601), (45, 16002312), (54, 13335260), (60, 12001734), (72, 10001445), (90, 8001156), (108, 6667630), (120, 6000867), (135, 5334104), (180, 4000578), (216, 3333815), (270, 2667052), (360, 2000289), (457, 1575720), (540, 1333526), (914, 787860), (1080, 666763), (1371, 525240), (1459, 493560), (1828, 393930), (2285, 315144), (2742, 262620), (2918, 246780), (3656, 196965), (4113, 175080), (4377, 164520), (4570, 157572), (5484, 131310), (5836, 123390), (6855, 105048), (7295, 98712), (8226, 87540), (8754, 82260), (9140, 78786), (10968, 65655), (11672, 61695), (12339, 58360), (13131, 54840), (13710, 52524), (14590, 49356), (16452, 43770), (17508, 41130), (18280, 39393), (20565, 35016), (21885, 32904), (24678, 29180), (26262, 27420)]