420901680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1$

素因数の和:659

約数の個数: 160

約数和(自身を含む): 1382768640

約数和(自身を除く): 961866960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 241, 285, 304, 380, 383, 456, 482, 570, 723, 760, 766, 912, 964, 1140, 1149, 1205, 1446, 1520, 1532, 1915, 1928, 2280, 2298, 2410, 2892, 3064, 3615, 3830, 3856, 4560, 4579, 4596, 4820, 5745, 5784, 6128, 7230, 7277, 7660, 9158, 9192, 9640, 11490, 11568, 13737, 14460, 14554, 15320, 18316, 18384, 19280, 21831, 22895, 22980, 27474, 28920, 29108, 30640, 36385, 36632, 43662, 45790, 45960, 54948, 57840, 58216, 68685, 72770, 73264, 87324, 91580, 91920, 92303, 109155, 109896, 116432, 137370, 145540, 174648, 183160, 184606, 218310, 219792, 274740, 276909, 291080, 349296, 366320, 369212, 436620, 461515, 549480, 553818, 582160, 738424, 873240, 923030, 1098960, 1107636, 1384545, 1476848, 1746480, 1753757, 1846060, 2215272, 2769090, 3507514, 3692120, 4430544, 5261271, 5538180, 7015028, 7384240, 8768785, 10522542, 11076360, 14030056, 17537570, 21045084, 22152720, 26306355, 28060112, 35075140, 42090168, 52612710, 70150280, 84180336, 105225420, 140300560, 210450840, 420901680]

約数ペア:

[(1, 420901680), (2, 210450840), (3, 140300560), (4, 105225420), (5, 84180336), (6, 70150280), (8, 52612710), (10, 42090168), (12, 35075140), (15, 28060112), (16, 26306355), (19, 22152720), (20, 21045084), (24, 17537570), (30, 14030056), (38, 11076360), (40, 10522542), (48, 8768785), (57, 7384240), (60, 7015028), (76, 5538180), (80, 5261271), (95, 4430544), (114, 3692120), (120, 3507514), (152, 2769090), (190, 2215272), (228, 1846060), (240, 1753757), (241, 1746480), (285, 1476848), (304, 1384545), (380, 1107636), (383, 1098960), (456, 923030), (482, 873240), (570, 738424), (723, 582160), (760, 553818), (766, 549480), (912, 461515), (964, 436620), (1140, 369212), (1149, 366320), (1205, 349296), (1446, 291080), (1520, 276909), (1532, 274740), (1915, 219792), (1928, 218310), (2280, 184606), (2298, 183160), (2410, 174648), (2892, 145540), (3064, 137370), (3615, 116432), (3830, 109896), (3856, 109155), (4560, 92303), (4579, 91920), (4596, 91580), (4820, 87324), (5745, 73264), (5784, 72770), (6128, 68685), (7230, 58216), (7277, 57840), (7660, 54948), (9158, 45960), (9192, 45790), (9640, 43662), (11490, 36632), (11568, 36385), (13737, 30640), (14460, 29108), (14554, 28920), (15320, 27474), (18316, 22980), (18384, 22895), (19280, 21831)]