39887460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 129729600

約数和(自身を除く): 89842140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 107, 109, 114, 171, 180, 190, 214, 218, 228, 285, 321, 327, 342, 380, 428, 436, 535, 545, 570, 642, 654, 684, 855, 963, 981, 1070, 1090, 1140, 1284, 1308, 1605, 1635, 1710, 1926, 1962, 2033, 2071, 2140, 2180, 3210, 3270, 3420, 3852, 3924, 4066, 4142, 4815, 4905, 6099, 6213, 6420, 6540, 8132, 8284, 9630, 9810, 10165, 10355, 11663, 12198, 12426, 18297, 18639, 19260, 19620, 20330, 20710, 23326, 24396, 24852, 30495, 31065, 34989, 36594, 37278, 40660, 41420, 46652, 58315, 60990, 62130, 69978, 73188, 74556, 91485, 93195, 104967, 116630, 121980, 124260, 139956, 174945, 182970, 186390, 209934, 221597, 233260, 349890, 365940, 372780, 419868, 443194, 524835, 664791, 699780, 886388, 1049670, 1107985, 1329582, 1994373, 2099340, 2215970, 2659164, 3323955, 3988746, 4431940, 6647910, 7977492, 9971865, 13295820, 19943730, 39887460]

約数ペア:

[(1, 39887460), (2, 19943730), (3, 13295820), (4, 9971865), (5, 7977492), (6, 6647910), (9, 4431940), (10, 3988746), (12, 3323955), (15, 2659164), (18, 2215970), (19, 2099340), (20, 1994373), (30, 1329582), (36, 1107985), (38, 1049670), (45, 886388), (57, 699780), (60, 664791), (76, 524835), (90, 443194), (95, 419868), (107, 372780), (109, 365940), (114, 349890), (171, 233260), (180, 221597), (190, 209934), (214, 186390), (218, 182970), (228, 174945), (285, 139956), (321, 124260), (327, 121980), (342, 116630), (380, 104967), (428, 93195), (436, 91485), (535, 74556), (545, 73188), (570, 69978), (642, 62130), (654, 60990), (684, 58315), (855, 46652), (963, 41420), (981, 40660), (1070, 37278), (1090, 36594), (1140, 34989), (1284, 31065), (1308, 30495), (1605, 24852), (1635, 24396), (1710, 23326), (1926, 20710), (1962, 20330), (2033, 19620), (2071, 19260), (2140, 18639), (2180, 18297), (3210, 12426), (3270, 12198), (3420, 11663), (3852, 10355), (3924, 10165), (4066, 9810), (4142, 9630), (4815, 8284), (4905, 8132), (6099, 6540), (6213, 6420)]