218415360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2520

約数の個数: 144

約数和(自身を含む): 728187264

約数和(自身を除く): 509771904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1472, 1840, 1920, 2208, 2473, 2760, 2944, 3680, 3840, 4416, 4946, 5520, 5888, 7360, 7419, 8832, 9892, 11040, 12365, 14720, 14838, 17664, 19784, 22080, 24730, 29440, 29676, 37095, 39568, 44160, 49460, 56879, 59352, 74190, 79136, 88320, 98920, 113758, 118704, 148380, 158272, 170637, 197840, 227516, 237408, 284395, 296760, 316544, 341274, 395680, 455032, 474816, 568790, 593520, 633088, 682548, 791360, 853185, 910064, 949632, 1137580, 1187040, 1365096, 1582720, 1706370, 1820128, 1899264, 2275160, 2374080, 2730192, 3165440, 3412740, 3640256, 4550320, 4748160, 5460384, 6825480, 7280512, 9100640, 9496320, 10920768, 13650960, 14561024, 18201280, 21841536, 27301920, 36402560, 43683072, 54603840, 72805120, 109207680, 218415360]

約数ペア:

[(1, 218415360), (2, 109207680), (3, 72805120), (4, 54603840), (5, 43683072), (6, 36402560), (8, 27301920), (10, 21841536), (12, 18201280), (15, 14561024), (16, 13650960), (20, 10920768), (23, 9496320), (24, 9100640), (30, 7280512), (32, 6825480), (40, 5460384), (46, 4748160), (48, 4550320), (60, 3640256), (64, 3412740), (69, 3165440), (80, 2730192), (92, 2374080), (96, 2275160), (115, 1899264), (120, 1820128), (128, 1706370), (138, 1582720), (160, 1365096), (184, 1187040), (192, 1137580), (230, 949632), (240, 910064), (256, 853185), (276, 791360), (320, 682548), (345, 633088), (368, 593520), (384, 568790), (460, 474816), (480, 455032), (552, 395680), (640, 341274), (690, 316544), (736, 296760), (768, 284395), (920, 237408), (960, 227516), (1104, 197840), (1280, 170637), (1380, 158272), (1472, 148380), (1840, 118704), (1920, 113758), (2208, 98920), (2473, 88320), (2760, 79136), (2944, 74190), (3680, 59352), (3840, 56879), (4416, 49460), (4946, 44160), (5520, 39568), (5888, 37095), (7360, 29676), (7419, 29440), (8832, 24730), (9892, 22080), (11040, 19784), (12365, 17664), (14720, 14838)]