628208800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:471

約数の個数: 144

約数和(自身を含む): 1609396992

約数和(自身を除く): 981188192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 73, 80, 100, 124, 146, 155, 160, 200, 248, 292, 310, 347, 365, 400, 496, 584, 620, 694, 730, 775, 800, 992, 1168, 1240, 1388, 1460, 1550, 1735, 1825, 2263, 2336, 2480, 2776, 2920, 3100, 3470, 3650, 4526, 4960, 5552, 5840, 6200, 6940, 7300, 8675, 9052, 10757, 11104, 11315, 11680, 12400, 13880, 14600, 17350, 18104, 21514, 22630, 24800, 25331, 27760, 29200, 34700, 36208, 43028, 45260, 50662, 53785, 55520, 56575, 58400, 69400, 72416, 86056, 90520, 101324, 107570, 113150, 126655, 138800, 172112, 181040, 202648, 215140, 226300, 253310, 268925, 277600, 344224, 362080, 405296, 430280, 452600, 506620, 537850, 633275, 785261, 810592, 860560, 905200, 1013240, 1075700, 1266550, 1570522, 1721120, 1810400, 2026480, 2151400, 2533100, 3141044, 3926305, 4052960, 4302800, 5066200, 6282088, 7852610, 8605600, 10132400, 12564176, 15705220, 19631525, 20264800, 25128352, 31410440, 39263050, 62820880, 78526100, 125641760, 157052200, 314104400, 628208800]

約数ペア:

[(1, 628208800), (2, 314104400), (4, 157052200), (5, 125641760), (8, 78526100), (10, 62820880), (16, 39263050), (20, 31410440), (25, 25128352), (31, 20264800), (32, 19631525), (40, 15705220), (50, 12564176), (62, 10132400), (73, 8605600), (80, 7852610), (100, 6282088), (124, 5066200), (146, 4302800), (155, 4052960), (160, 3926305), (200, 3141044), (248, 2533100), (292, 2151400), (310, 2026480), (347, 1810400), (365, 1721120), (400, 1570522), (496, 1266550), (584, 1075700), (620, 1013240), (694, 905200), (730, 860560), (775, 810592), (800, 785261), (992, 633275), (1168, 537850), (1240, 506620), (1388, 452600), (1460, 430280), (1550, 405296), (1735, 362080), (1825, 344224), (2263, 277600), (2336, 268925), (2480, 253310), (2776, 226300), (2920, 215140), (3100, 202648), (3470, 181040), (3650, 172112), (4526, 138800), (4960, 126655), (5552, 113150), (5840, 107570), (6200, 101324), (6940, 90520), (7300, 86056), (8675, 72416), (9052, 69400), (10757, 58400), (11104, 56575), (11315, 55520), (11680, 53785), (12400, 50662), (13880, 45260), (14600, 43028), (17350, 36208), (18104, 34700), (21514, 29200), (22630, 27760), (24800, 25331)]