79474720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2058

約数の個数: 96

約数和(自身を含む): 212950080

約数和(自身を除く): 133475360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2011, 2080, 2470, 3040, 3952, 4022, 4940, 7904, 8044, 9880, 10055, 16088, 19760, 20110, 26143, 32176, 38209, 39520, 40220, 52286, 64352, 76418, 80440, 104572, 130715, 152836, 160880, 191045, 209144, 261430, 305672, 321760, 382090, 418288, 496717, 522860, 611344, 764180, 836576, 993434, 1045720, 1222688, 1528360, 1986868, 2091440, 2483585, 3056720, 3973736, 4182880, 4967170, 6113440, 7947472, 9934340, 15894944, 19868680, 39737360, 79474720]

約数ペア:

[(1, 79474720), (2, 39737360), (4, 19868680), (5, 15894944), (8, 9934340), (10, 7947472), (13, 6113440), (16, 4967170), (19, 4182880), (20, 3973736), (26, 3056720), (32, 2483585), (38, 2091440), (40, 1986868), (52, 1528360), (65, 1222688), (76, 1045720), (80, 993434), (95, 836576), (104, 764180), (130, 611344), (152, 522860), (160, 496717), (190, 418288), (208, 382090), (247, 321760), (260, 305672), (304, 261430), (380, 209144), (416, 191045), (494, 160880), (520, 152836), (608, 130715), (760, 104572), (988, 80440), (1040, 76418), (1235, 64352), (1520, 52286), (1976, 40220), (2011, 39520), (2080, 38209), (2470, 32176), (3040, 26143), (3952, 20110), (4022, 19760), (4940, 16088), (7904, 10055), (8044, 9880)]