421767840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:551

約数の個数: 192

約数和(自身を含む): 1441794816

約数和(自身を除く): 1020026976

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, 257, 260, 263, 312, 390, 416, 480, 514, 520, 526, 624, 771, 780, 789, 1028, 1040, 1052, 1248, 1285, 1315, 1542, 1560, 1578, 2056, 2080, 2104, 2570, 2630, 3084, 3120, 3156, 3341, 3419, 3855, 3945, 4112, 4208, 5140, 5260, 6168, 6240, 6312, 6682, 6838, 7710, 7890, 8224, 8416, 10023, 10257, 10280, 10520, 12336, 12624, 13364, 13676, 15420, 15780, 16705, 17095, 20046, 20514, 20560, 21040, 24672, 25248, 26728, 27352, 30840, 31560, 33410, 34190, 40092, 41028, 41120, 42080, 50115, 51285, 53456, 54704, 61680, 63120, 66820, 67591, 68380, 80184, 82056, 100230, 102570, 106912, 109408, 123360, 126240, 133640, 135182, 136760, 160368, 164112, 200460, 202773, 205140, 267280, 270364, 273520, 320736, 328224, 337955, 400920, 405546, 410280, 534560, 540728, 547040, 675910, 801840, 811092, 820560, 878683, 1013865, 1081456, 1351820, 1603680, 1622184, 1641120, 1757366, 2027730, 2162912, 2636049, 2703640, 3244368, 3514732, 4055460, 4393415, 5272098, 5407280, 6488736, 7029464, 8110920, 8786830, 10544196, 10814560, 13180245, 14058928, 16221840, 17573660, 21088392, 26360490, 28117856, 32443680, 35147320, 42176784, 52720980, 70294640, 84353568, 105441960, 140589280, 210883920, 421767840]

約数ペア:

[(1, 421767840), (2, 210883920), (3, 140589280), (4, 105441960), (5, 84353568), (6, 70294640), (8, 52720980), (10, 42176784), (12, 35147320), (13, 32443680), (15, 28117856), (16, 26360490), (20, 21088392), (24, 17573660), (26, 16221840), (30, 14058928), (32, 13180245), (39, 10814560), (40, 10544196), (48, 8786830), (52, 8110920), (60, 7029464), (65, 6488736), (78, 5407280), (80, 5272098), (96, 4393415), (104, 4055460), (120, 3514732), (130, 3244368), (156, 2703640), (160, 2636049), (195, 2162912), (208, 2027730), (240, 1757366), (257, 1641120), (260, 1622184), (263, 1603680), (312, 1351820), (390, 1081456), (416, 1013865), (480, 878683), (514, 820560), (520, 811092), (526, 801840), (624, 675910), (771, 547040), (780, 540728), (789, 534560), (1028, 410280), (1040, 405546), (1052, 400920), (1248, 337955), (1285, 328224), (1315, 320736), (1542, 273520), (1560, 270364), (1578, 267280), (2056, 205140), (2080, 202773), (2104, 200460), (2570, 164112), (2630, 160368), (3084, 136760), (3120, 135182), (3156, 133640), (3341, 126240), (3419, 123360), (3855, 109408), (3945, 106912), (4112, 102570), (4208, 100230), (5140, 82056), (5260, 80184), (6168, 68380), (6240, 67591), (6312, 66820), (6682, 63120), (6838, 61680), (7710, 54704), (7890, 53456), (8224, 51285), (8416, 50115), (10023, 42080), (10257, 41120), (10280, 41028), (10520, 40092), (12336, 34190), (12624, 33410), (13364, 31560), (13676, 30840), (15420, 27352), (15780, 26728), (16705, 25248), (17095, 24672), (20046, 21040), (20514, 20560)]