28707680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 73483200

約数和(自身を除く): 44775520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 80, 92, 115, 116, 145, 160, 184, 230, 232, 269, 290, 368, 460, 464, 538, 580, 667, 736, 920, 928, 1076, 1160, 1334, 1345, 1840, 2152, 2320, 2668, 2690, 3335, 3680, 4304, 4640, 5336, 5380, 6187, 6670, 7801, 8608, 10672, 10760, 12374, 13340, 15602, 21344, 21520, 24748, 26680, 30935, 31204, 39005, 43040, 49496, 53360, 61870, 62408, 78010, 98992, 106720, 123740, 124816, 156020, 179423, 197984, 247480, 249632, 312040, 358846, 494960, 624080, 717692, 897115, 989920, 1248160, 1435384, 1794230, 2870768, 3588460, 5741536, 7176920, 14353840, 28707680]

約数ペア:

[(1, 28707680), (2, 14353840), (4, 7176920), (5, 5741536), (8, 3588460), (10, 2870768), (16, 1794230), (20, 1435384), (23, 1248160), (29, 989920), (32, 897115), (40, 717692), (46, 624080), (58, 494960), (80, 358846), (92, 312040), (115, 249632), (116, 247480), (145, 197984), (160, 179423), (184, 156020), (230, 124816), (232, 123740), (269, 106720), (290, 98992), (368, 78010), (460, 62408), (464, 61870), (538, 53360), (580, 49496), (667, 43040), (736, 39005), (920, 31204), (928, 30935), (1076, 26680), (1160, 24748), (1334, 21520), (1345, 21344), (1840, 15602), (2152, 13340), (2320, 12374), (2668, 10760), (2690, 10672), (3335, 8608), (3680, 7801), (4304, 6670), (4640, 6187), (5336, 5380)]