638395680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:683

約数の個数: 192

約数和(自身を含む): 2179457280

約数和(自身を除く): 1541061600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 263, 312, 389, 390, 416, 480, 520, 526, 624, 778, 780, 789, 1040, 1052, 1167, 1248, 1315, 1556, 1560, 1578, 1945, 2080, 2104, 2334, 2630, 3112, 3120, 3156, 3419, 3890, 3945, 4208, 4668, 5057, 5260, 5835, 6224, 6240, 6312, 6838, 7780, 7890, 8416, 9336, 10114, 10257, 10520, 11670, 12448, 12624, 13676, 15171, 15560, 15780, 17095, 18672, 20228, 20514, 21040, 23340, 25248, 25285, 27352, 30342, 31120, 31560, 34190, 37344, 40456, 41028, 42080, 46680, 50570, 51285, 54704, 60684, 62240, 63120, 68380, 75855, 80912, 82056, 93360, 101140, 102307, 102570, 109408, 121368, 126240, 136760, 151710, 161824, 164112, 186720, 202280, 204614, 205140, 242736, 273520, 303420, 306921, 328224, 404560, 409228, 410280, 485472, 511535, 547040, 606840, 613842, 809120, 818456, 820560, 1023070, 1213680, 1227684, 1329991, 1534605, 1636912, 1641120, 2046140, 2427360, 2455368, 2659982, 3069210, 3273824, 3989973, 4092280, 4910736, 5319964, 6138420, 6649955, 7979946, 8184560, 9821472, 10639928, 12276840, 13299910, 15959892, 16369120, 19949865, 21279856, 24553680, 26599820, 31919784, 39899730, 42559712, 49107360, 53199640, 63839568, 79799460, 106399280, 127679136, 159598920, 212798560, 319197840, 638395680]

約数ペア:

[(1, 638395680), (2, 319197840), (3, 212798560), (4, 159598920), (5, 127679136), (6, 106399280), (8, 79799460), (10, 63839568), (12, 53199640), (13, 49107360), (15, 42559712), (16, 39899730), (20, 31919784), (24, 26599820), (26, 24553680), (30, 21279856), (32, 19949865), (39, 16369120), (40, 15959892), (48, 13299910), (52, 12276840), (60, 10639928), (65, 9821472), (78, 8184560), (80, 7979946), (96, 6649955), (104, 6138420), (120, 5319964), (130, 4910736), (156, 4092280), (160, 3989973), (195, 3273824), (208, 3069210), (240, 2659982), (260, 2455368), (263, 2427360), (312, 2046140), (389, 1641120), (390, 1636912), (416, 1534605), (480, 1329991), (520, 1227684), (526, 1213680), (624, 1023070), (778, 820560), (780, 818456), (789, 809120), (1040, 613842), (1052, 606840), (1167, 547040), (1248, 511535), (1315, 485472), (1556, 410280), (1560, 409228), (1578, 404560), (1945, 328224), (2080, 306921), (2104, 303420), (2334, 273520), (2630, 242736), (3112, 205140), (3120, 204614), (3156, 202280), (3419, 186720), (3890, 164112), (3945, 161824), (4208, 151710), (4668, 136760), (5057, 126240), (5260, 121368), (5835, 109408), (6224, 102570), (6240, 102307), (6312, 101140), (6838, 93360), (7780, 82056), (7890, 80912), (8416, 75855), (9336, 68380), (10114, 63120), (10257, 62240), (10520, 60684), (11670, 54704), (12448, 51285), (12624, 50570), (13676, 46680), (15171, 42080), (15560, 41028), (15780, 40456), (17095, 37344), (18672, 34190), (20228, 31560), (20514, 31120), (21040, 30342), (23340, 27352), (25248, 25285)]