20181025620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{83857}}^1$

素因数の和:84070

約数の個数: 144

約数和(自身を含む): 70328014848

約数和(自身を除く): 50146989228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 191, 210, 252, 315, 382, 420, 573, 630, 764, 955, 1146, 1260, 1337, 1719, 1910, 2292, 2674, 2865, 3438, 3820, 4011, 5348, 5730, 6685, 6876, 8022, 8595, 11460, 12033, 13370, 16044, 17190, 20055, 24066, 26740, 34380, 40110, 48132, 60165, 80220, 83857, 120330, 167714, 240660, 251571, 335428, 419285, 503142, 586999, 754713, 838570, 1006284, 1173998, 1257855, 1509426, 1677140, 1760997, 2347996, 2515710, 2934995, 3018852, 3521994, 3773565, 5031420, 5282991, 5869990, 7043988, 7547130, 8804985, 10565982, 11739980, 15094260, 16016687, 17609970, 21131964, 26414955, 32033374, 35219940, 48050061, 52829910, 64066748, 80083435, 96100122, 105659820, 112116809, 144150183, 160166870, 192200244, 224233618, 240250305, 288300366, 320333740, 336350427, 448467236, 480500610, 560584045, 576600732, 672700854, 720750915, 961001220, 1009051281, 1121168090, 1345401708, 1441501830, 1681752135, 2018102562, 2242336180, 2883003660, 3363504270, 4036205124, 5045256405, 6727008540, 10090512810, 20181025620]

約数ペア:

[(1, 20181025620), (2, 10090512810), (3, 6727008540), (4, 5045256405), (5, 4036205124), (6, 3363504270), (7, 2883003660), (9, 2242336180), (10, 2018102562), (12, 1681752135), (14, 1441501830), (15, 1345401708), (18, 1121168090), (20, 1009051281), (21, 961001220), (28, 720750915), (30, 672700854), (35, 576600732), (36, 560584045), (42, 480500610), (45, 448467236), (60, 336350427), (63, 320333740), (70, 288300366), (84, 240250305), (90, 224233618), (105, 192200244), (126, 160166870), (140, 144150183), (180, 112116809), (191, 105659820), (210, 96100122), (252, 80083435), (315, 64066748), (382, 52829910), (420, 48050061), (573, 35219940), (630, 32033374), (764, 26414955), (955, 21131964), (1146, 17609970), (1260, 16016687), (1337, 15094260), (1719, 11739980), (1910, 10565982), (2292, 8804985), (2674, 7547130), (2865, 7043988), (3438, 5869990), (3820, 5282991), (4011, 5031420), (5348, 3773565), (5730, 3521994), (6685, 3018852), (6876, 2934995), (8022, 2515710), (8595, 2347996), (11460, 1760997), (12033, 1677140), (13370, 1509426), (16044, 1257855), (17190, 1173998), (20055, 1006284), (24066, 838570), (26740, 754713), (34380, 586999), (40110, 503142), (48132, 419285), (60165, 335428), (80220, 251571), (83857, 240660), (120330, 167714)]