821338740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{198391}}^1$

素因数の和:198429

約数の個数: 72

約数和(自身を含む): 2599728768

約数和(自身を除く): 1778390028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 198391, 396782, 595173, 793564, 991955, 1190346, 1785519, 1983910, 2380692, 2975865, 3571038, 3967820, 4562993, 5951730, 7142076, 8927595, 9125986, 11903460, 13688979, 17855190, 18251972, 22814965, 27377958, 35710380, 41066937, 45629930, 54755916, 68444895, 82133874, 91259860, 136889790, 164267748, 205334685, 273779580, 410669370, 821338740]

約数ペア:

[(1, 821338740), (2, 410669370), (3, 273779580), (4, 205334685), (5, 164267748), (6, 136889790), (9, 91259860), (10, 82133874), (12, 68444895), (15, 54755916), (18, 45629930), (20, 41066937), (23, 35710380), (30, 27377958), (36, 22814965), (45, 18251972), (46, 17855190), (60, 13688979), (69, 11903460), (90, 9125986), (92, 8927595), (115, 7142076), (138, 5951730), (180, 4562993), (207, 3967820), (230, 3571038), (276, 2975865), (345, 2380692), (414, 1983910), (460, 1785519), (690, 1190346), (828, 991955), (1035, 793564), (1380, 595173), (2070, 396782), (4140, 198391)]