2780458860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{5821}}^1$

素因数の和:6271

約数の個数: 96

約数和(自身を含む): 8216006400

約数和(自身を除く): 5435547540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 419, 570, 838, 1140, 1257, 1676, 2095, 2514, 4190, 5028, 5821, 6285, 7961, 8380, 11642, 12570, 15922, 17463, 23284, 23883, 25140, 29105, 31844, 34926, 39805, 47766, 58210, 69852, 79610, 87315, 95532, 110599, 116420, 119415, 159220, 174630, 221198, 238830, 331797, 349260, 442396, 477660, 552995, 663594, 1105990, 1327188, 1658985, 2211980, 2438999, 3317970, 4877998, 6635940, 7316997, 9755996, 12194995, 14633994, 24389990, 29267988, 36584985, 46340981, 48779980, 73169970, 92681962, 139022943, 146339940, 185363924, 231704905, 278045886, 463409810, 556091772, 695114715, 926819620, 1390229430, 2780458860]

約数ペア:

[(1, 2780458860), (2, 1390229430), (3, 926819620), (4, 695114715), (5, 556091772), (6, 463409810), (10, 278045886), (12, 231704905), (15, 185363924), (19, 146339940), (20, 139022943), (30, 92681962), (38, 73169970), (57, 48779980), (60, 46340981), (76, 36584985), (95, 29267988), (114, 24389990), (190, 14633994), (228, 12194995), (285, 9755996), (380, 7316997), (419, 6635940), (570, 4877998), (838, 3317970), (1140, 2438999), (1257, 2211980), (1676, 1658985), (2095, 1327188), (2514, 1105990), (4190, 663594), (5028, 552995), (5821, 477660), (6285, 442396), (7961, 349260), (8380, 331797), (11642, 238830), (12570, 221198), (15922, 174630), (17463, 159220), (23284, 119415), (23883, 116420), (25140, 110599), (29105, 95532), (31844, 87315), (34926, 79610), (39805, 69852), (47766, 58210)]