722638720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3907}}^1$

素因数の和:3960

約数の個数: 96

約数和(自身を含む): 1835626680

約数和(自身を除く): 1112987960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 289, 320, 340, 544, 578, 640, 680, 1088, 1156, 1360, 1445, 2176, 2312, 2720, 2890, 3907, 4624, 5440, 5780, 7814, 9248, 10880, 11560, 15628, 18496, 19535, 23120, 31256, 36992, 39070, 46240, 62512, 66419, 78140, 92480, 125024, 132838, 156280, 184960, 250048, 265676, 312560, 332095, 500096, 531352, 625120, 664190, 1062704, 1129123, 1250240, 1328380, 2125408, 2258246, 2500480, 2656760, 4250816, 4516492, 5313520, 5645615, 8501632, 9032984, 10627040, 11291230, 18065968, 21254080, 22582460, 36131936, 42508160, 45164920, 72263872, 90329840, 144527744, 180659680, 361319360, 722638720]

約数ペア:

[(1, 722638720), (2, 361319360), (4, 180659680), (5, 144527744), (8, 90329840), (10, 72263872), (16, 45164920), (17, 42508160), (20, 36131936), (32, 22582460), (34, 21254080), (40, 18065968), (64, 11291230), (68, 10627040), (80, 9032984), (85, 8501632), (128, 5645615), (136, 5313520), (160, 4516492), (170, 4250816), (272, 2656760), (289, 2500480), (320, 2258246), (340, 2125408), (544, 1328380), (578, 1250240), (640, 1129123), (680, 1062704), (1088, 664190), (1156, 625120), (1360, 531352), (1445, 500096), (2176, 332095), (2312, 312560), (2720, 265676), (2890, 250048), (3907, 184960), (4624, 156280), (5440, 132838), (5780, 125024), (7814, 92480), (9248, 78140), (10880, 66419), (11560, 62512), (15628, 46240), (18496, 39070), (19535, 36992), (23120, 31256)]