1663809040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{2677}}^1$

素因数の和:3164

約数の個数: 80

約数和(自身を含む): 4106402352

約数和(自身を除く): 2442593312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 457, 680, 914, 1360, 1828, 2285, 2677, 3656, 4570, 5354, 7312, 7769, 9140, 10708, 13385, 15538, 18280, 21416, 26770, 31076, 36560, 38845, 42832, 45509, 53540, 62152, 77690, 91018, 107080, 124304, 155380, 182036, 214160, 227545, 310760, 364072, 455090, 621520, 728144, 910180, 1223389, 1820360, 2446778, 3640720, 4893556, 6116945, 9787112, 12233890, 19574224, 20797613, 24467780, 41595226, 48935560, 83190452, 97871120, 103988065, 166380904, 207976130, 332761808, 415952260, 831904520, 1663809040]

約数ペア:

[(1, 1663809040), (2, 831904520), (4, 415952260), (5, 332761808), (8, 207976130), (10, 166380904), (16, 103988065), (17, 97871120), (20, 83190452), (34, 48935560), (40, 41595226), (68, 24467780), (80, 20797613), (85, 19574224), (136, 12233890), (170, 9787112), (272, 6116945), (340, 4893556), (457, 3640720), (680, 2446778), (914, 1820360), (1360, 1223389), (1828, 910180), (2285, 728144), (2677, 621520), (3656, 455090), (4570, 364072), (5354, 310760), (7312, 227545), (7769, 214160), (9140, 182036), (10708, 155380), (13385, 124304), (15538, 107080), (18280, 91018), (21416, 77690), (26770, 62152), (31076, 53540), (36560, 45509), (38845, 42832)]