1389227640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{146543}}^1$

素因数の和:146636

約数の個数: 64

約数和(自身を含む): 4220467200

約数和(自身を除く): 2831239560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 146543, 293086, 439629, 586172, 732715, 879258, 1172344, 1465430, 1758516, 2198145, 2930860, 3517032, 4396290, 5861720, 8792580, 11576897, 17585160, 23153794, 34730691, 46307588, 57884485, 69461382, 92615176, 115768970, 138922764, 173653455, 231537940, 277845528, 347306910, 463075880, 694613820, 1389227640]

約数ペア:

[(1, 1389227640), (2, 694613820), (3, 463075880), (4, 347306910), (5, 277845528), (6, 231537940), (8, 173653455), (10, 138922764), (12, 115768970), (15, 92615176), (20, 69461382), (24, 57884485), (30, 46307588), (40, 34730691), (60, 23153794), (79, 17585160), (120, 11576897), (158, 8792580), (237, 5861720), (316, 4396290), (395, 3517032), (474, 2930860), (632, 2198145), (790, 1758516), (948, 1465430), (1185, 1172344), (1580, 879258), (1896, 732715), (2370, 586172), (3160, 439629), (4740, 293086), (9480, 146543)]