279583320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{5189}}^1$

素因数の和:5652

約数の個数: 64

約数和(自身を含む): 840780000

約数和(自身を除く): 561196680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 449, 898, 1347, 1796, 2245, 2694, 3592, 4490, 5189, 5388, 6735, 8980, 10378, 10776, 13470, 15567, 17960, 20756, 25945, 26940, 31134, 41512, 51890, 53880, 62268, 77835, 103780, 124536, 155670, 207560, 311340, 622680, 2329861, 4659722, 6989583, 9319444, 11649305, 13979166, 18638888, 23298610, 27958332, 34947915, 46597220, 55916664, 69895830, 93194440, 139791660, 279583320]

約数ペア:

[(1, 279583320), (2, 139791660), (3, 93194440), (4, 69895830), (5, 55916664), (6, 46597220), (8, 34947915), (10, 27958332), (12, 23298610), (15, 18638888), (20, 13979166), (24, 11649305), (30, 9319444), (40, 6989583), (60, 4659722), (120, 2329861), (449, 622680), (898, 311340), (1347, 207560), (1796, 155670), (2245, 124536), (2694, 103780), (3592, 77835), (4490, 62268), (5189, 53880), (5388, 51890), (6735, 41512), (8980, 31134), (10378, 26940), (10776, 25945), (13470, 20756), (15567, 17960)]