671840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 96

約数和(自身を含む): 1905120

約数和(自身を除く): 1233280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 32, 34, 38, 40, 52, 65, 68, 76, 80, 85, 95, 104, 130, 136, 152, 160, 170, 190, 208, 221, 247, 260, 272, 304, 323, 340, 380, 416, 442, 494, 520, 544, 608, 646, 680, 760, 884, 988, 1040, 1105, 1235, 1292, 1360, 1520, 1615, 1768, 1976, 2080, 2210, 2470, 2584, 2720, 3040, 3230, 3536, 3952, 4199, 4420, 4940, 5168, 6460, 7072, 7904, 8398, 8840, 9880, 10336, 12920, 16796, 17680, 19760, 20995, 25840, 33592, 35360, 39520, 41990, 51680, 67184, 83980, 134368, 167960, 335920, 671840]

約数ペア:

[(1, 671840), (2, 335920), (4, 167960), (5, 134368), (8, 83980), (10, 67184), (13, 51680), (16, 41990), (17, 39520), (19, 35360), (20, 33592), (26, 25840), (32, 20995), (34, 19760), (38, 17680), (40, 16796), (52, 12920), (65, 10336), (68, 9880), (76, 8840), (80, 8398), (85, 7904), (95, 7072), (104, 6460), (130, 5168), (136, 4940), (152, 4420), (160, 4199), (170, 3952), (190, 3536), (208, 3230), (221, 3040), (247, 2720), (260, 2584), (272, 2470), (304, 2210), (323, 2080), (340, 1976), (380, 1768), (416, 1615), (442, 1520), (494, 1360), (520, 1292), (544, 1235), (608, 1105), (646, 1040), (680, 988), (760, 884)]