641437800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:972

約数の個数: 192

約数和(自身を含む): 2116471680

約数和(自身を除く): 1475033880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 53, 60, 69, 75, 92, 100, 106, 115, 120, 138, 150, 159, 184, 200, 212, 230, 265, 276, 300, 318, 345, 424, 460, 530, 552, 575, 600, 636, 690, 795, 877, 920, 1060, 1150, 1219, 1272, 1325, 1380, 1590, 1725, 1754, 2120, 2300, 2438, 2631, 2650, 2760, 3180, 3450, 3508, 3657, 3975, 4385, 4600, 4876, 5262, 5300, 6095, 6360, 6900, 7016, 7314, 7950, 8770, 9752, 10524, 10600, 12190, 13155, 13800, 14628, 15900, 17540, 18285, 20171, 21048, 21925, 24380, 26310, 29256, 30475, 31800, 35080, 36570, 40342, 43850, 46481, 48760, 52620, 60513, 60950, 65775, 73140, 80684, 87700, 91425, 92962, 100855, 105240, 121026, 121900, 131550, 139443, 146280, 161368, 175400, 182850, 185924, 201710, 232405, 242052, 243800, 263100, 278886, 302565, 365700, 371848, 403420, 464810, 484104, 504275, 526200, 557772, 605130, 697215, 731400, 806840, 929620, 1008550, 1069063, 1115544, 1162025, 1210260, 1394430, 1512825, 1859240, 2017100, 2138126, 2324050, 2420520, 2788860, 3025650, 3207189, 3486075, 4034200, 4276252, 4648100, 5345315, 5577720, 6051300, 6414378, 6972150, 8552504, 9296200, 10690630, 12102600, 12828756, 13944300, 16035945, 21381260, 25657512, 26726575, 27888600, 32071890, 42762520, 53453150, 64143780, 80179725, 106906300, 128287560, 160359450, 213812600, 320718900, 641437800]

約数ペア:

[(1, 641437800), (2, 320718900), (3, 213812600), (4, 160359450), (5, 128287560), (6, 106906300), (8, 80179725), (10, 64143780), (12, 53453150), (15, 42762520), (20, 32071890), (23, 27888600), (24, 26726575), (25, 25657512), (30, 21381260), (40, 16035945), (46, 13944300), (50, 12828756), (53, 12102600), (60, 10690630), (69, 9296200), (75, 8552504), (92, 6972150), (100, 6414378), (106, 6051300), (115, 5577720), (120, 5345315), (138, 4648100), (150, 4276252), (159, 4034200), (184, 3486075), (200, 3207189), (212, 3025650), (230, 2788860), (265, 2420520), (276, 2324050), (300, 2138126), (318, 2017100), (345, 1859240), (424, 1512825), (460, 1394430), (530, 1210260), (552, 1162025), (575, 1115544), (600, 1069063), (636, 1008550), (690, 929620), (795, 806840), (877, 731400), (920, 697215), (1060, 605130), (1150, 557772), (1219, 526200), (1272, 504275), (1325, 484104), (1380, 464810), (1590, 403420), (1725, 371848), (1754, 365700), (2120, 302565), (2300, 278886), (2438, 263100), (2631, 243800), (2650, 242052), (2760, 232405), (3180, 201710), (3450, 185924), (3508, 182850), (3657, 175400), (3975, 161368), (4385, 146280), (4600, 139443), (4876, 131550), (5262, 121900), (5300, 121026), (6095, 105240), (6360, 100855), (6900, 92962), (7016, 91425), (7314, 87700), (7950, 80684), (8770, 73140), (9752, 65775), (10524, 60950), (10600, 60513), (12190, 52620), (13155, 48760), (13800, 46481), (14628, 43850), (15900, 40342), (17540, 36570), (18285, 35080), (20171, 31800), (21048, 30475), (21925, 29256), (24380, 26310)]