253904520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1753}}^1$

素因数の和:1855

約数の個数: 128

約数和(自身を含む): 818346240

約数和(自身を除く): 564441720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 71, 85, 102, 120, 136, 142, 170, 204, 213, 255, 284, 340, 355, 408, 426, 510, 568, 680, 710, 852, 1020, 1065, 1207, 1420, 1704, 1753, 2040, 2130, 2414, 2840, 3506, 3621, 4260, 4828, 5259, 6035, 7012, 7242, 8520, 8765, 9656, 10518, 12070, 14024, 14484, 17530, 18105, 21036, 24140, 26295, 28968, 29801, 35060, 36210, 42072, 48280, 52590, 59602, 70120, 72420, 89403, 105180, 119204, 124463, 144840, 149005, 178806, 210360, 238408, 248926, 298010, 357612, 373389, 447015, 497852, 596020, 622315, 715224, 746778, 894030, 995704, 1192040, 1244630, 1493556, 1788060, 1866945, 2115871, 2489260, 2987112, 3576120, 3733890, 4231742, 4978520, 6347613, 7467780, 8463484, 10579355, 12695226, 14935560, 16926968, 21158710, 25390452, 31738065, 42317420, 50780904, 63476130, 84634840, 126952260, 253904520]

約数ペア:

[(1, 253904520), (2, 126952260), (3, 84634840), (4, 63476130), (5, 50780904), (6, 42317420), (8, 31738065), (10, 25390452), (12, 21158710), (15, 16926968), (17, 14935560), (20, 12695226), (24, 10579355), (30, 8463484), (34, 7467780), (40, 6347613), (51, 4978520), (60, 4231742), (68, 3733890), (71, 3576120), (85, 2987112), (102, 2489260), (120, 2115871), (136, 1866945), (142, 1788060), (170, 1493556), (204, 1244630), (213, 1192040), (255, 995704), (284, 894030), (340, 746778), (355, 715224), (408, 622315), (426, 596020), (510, 497852), (568, 447015), (680, 373389), (710, 357612), (852, 298010), (1020, 248926), (1065, 238408), (1207, 210360), (1420, 178806), (1704, 149005), (1753, 144840), (2040, 124463), (2130, 119204), (2414, 105180), (2840, 89403), (3506, 72420), (3621, 70120), (4260, 59602), (4828, 52590), (5259, 48280), (6035, 42072), (7012, 36210), (7242, 35060), (8520, 29801), (8765, 28968), (9656, 26295), (10518, 24140), (12070, 21036), (14024, 18105), (14484, 17530)]