1248520

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{13}}^1$

素因数の和:52

約数の個数: 80

約数和(自身を含む): 3529260

約数和(自身を除く): 2280740

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 343, 364, 392, 455, 490, 520, 637, 686, 728, 910, 980, 1274, 1372, 1715, 1820, 1960, 2401, 2548, 2744, 3185, 3430, 3640, 4459, 4802, 5096, 6370, 6860, 8918, 9604, 12005, 12740, 13720, 17836, 19208, 22295, 24010, 25480, 31213, 35672, 44590, 48020, 62426, 89180, 96040, 124852, 156065, 178360, 249704, 312130, 624260, 1248520]

約数ペア:

[(1, 1248520), (2, 624260), (4, 312130), (5, 249704), (7, 178360), (8, 156065), (10, 124852), (13, 96040), (14, 89180), (20, 62426), (26, 48020), (28, 44590), (35, 35672), (40, 31213), (49, 25480), (52, 24010), (56, 22295), (65, 19208), (70, 17836), (91, 13720), (98, 12740), (104, 12005), (130, 9604), (140, 8918), (182, 6860), (196, 6370), (245, 5096), (260, 4802), (280, 4459), (343, 3640), (364, 3430), (392, 3185), (455, 2744), (490, 2548), (520, 2401), (637, 1960), (686, 1820), (728, 1715), (910, 1372), (980, 1274)]