90403740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:636

約数の個数: 144

約数和(自身を含む): 316085952

約数和(自身を除く): 225682212

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, 157, 180, 210, 252, 314, 315, 420, 457, 471, 628, 630, 785, 914, 942, 1099, 1260, 1371, 1413, 1570, 1828, 1884, 2198, 2285, 2355, 2742, 2826, 3140, 3199, 3297, 4113, 4396, 4570, 4710, 5484, 5495, 5652, 6398, 6594, 6855, 7065, 8226, 9140, 9420, 9597, 9891, 10990, 12796, 13188, 13710, 14130, 15995, 16452, 16485, 19194, 19782, 20565, 21980, 27420, 28260, 28791, 31990, 32970, 38388, 39564, 41130, 47985, 49455, 57582, 63980, 65940, 71749, 82260, 95970, 98910, 115164, 143498, 143955, 191940, 197820, 215247, 286996, 287910, 358745, 430494, 502243, 575820, 645741, 717490, 860988, 1004486, 1076235, 1291482, 1434980, 1506729, 2008972, 2152470, 2511215, 2582964, 3013458, 3228705, 4304940, 4520187, 5022430, 6026916, 6457410, 7533645, 9040374, 10044860, 12914820, 15067290, 18080748, 22600935, 30134580, 45201870, 90403740]

約数ペア:

[(1, 90403740), (2, 45201870), (3, 30134580), (4, 22600935), (5, 18080748), (6, 15067290), (7, 12914820), (9, 10044860), (10, 9040374), (12, 7533645), (14, 6457410), (15, 6026916), (18, 5022430), (20, 4520187), (21, 4304940), (28, 3228705), (30, 3013458), (35, 2582964), (36, 2511215), (42, 2152470), (45, 2008972), (60, 1506729), (63, 1434980), (70, 1291482), (84, 1076235), (90, 1004486), (105, 860988), (126, 717490), (140, 645741), (157, 575820), (180, 502243), (210, 430494), (252, 358745), (314, 287910), (315, 286996), (420, 215247), (457, 197820), (471, 191940), (628, 143955), (630, 143498), (785, 115164), (914, 98910), (942, 95970), (1099, 82260), (1260, 71749), (1371, 65940), (1413, 63980), (1570, 57582), (1828, 49455), (1884, 47985), (2198, 41130), (2285, 39564), (2355, 38388), (2742, 32970), (2826, 31990), (3140, 28791), (3199, 28260), (3297, 27420), (4113, 21980), (4396, 20565), (4570, 19782), (4710, 19194), (5484, 16485), (5495, 16452), (5652, 15995), (6398, 14130), (6594, 13710), (6855, 13188), (7065, 12796), (8226, 10990), (9140, 9891), (9420, 9597)]