665568120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4861}}^1$

素因数の和:5045

約数の個数: 128

約数和(自身を含む): 2296419840

約数和(自身を除く): 1630851720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 163, 168, 210, 280, 326, 420, 489, 652, 815, 840, 978, 1141, 1304, 1630, 1956, 2282, 2445, 3260, 3423, 3912, 4564, 4861, 4890, 5705, 6520, 6846, 9128, 9722, 9780, 11410, 13692, 14583, 17115, 19444, 19560, 22820, 24305, 27384, 29166, 34027, 34230, 38888, 45640, 48610, 58332, 68054, 68460, 72915, 97220, 102081, 116664, 136108, 136920, 145830, 170135, 194440, 204162, 272216, 291660, 340270, 408324, 510405, 583320, 680540, 792343, 816648, 1020810, 1361080, 1584686, 2041620, 2377029, 3169372, 3961715, 4083240, 4754058, 5546401, 6338744, 7923430, 9508116, 11092802, 11885145, 15846860, 16639203, 19016232, 22185604, 23770290, 27732005, 31693720, 33278406, 44371208, 47540580, 55464010, 66556812, 83196015, 95081160, 110928020, 133113624, 166392030, 221856040, 332784060, 665568120]

約数ペア:

[(1, 665568120), (2, 332784060), (3, 221856040), (4, 166392030), (5, 133113624), (6, 110928020), (7, 95081160), (8, 83196015), (10, 66556812), (12, 55464010), (14, 47540580), (15, 44371208), (20, 33278406), (21, 31693720), (24, 27732005), (28, 23770290), (30, 22185604), (35, 19016232), (40, 16639203), (42, 15846860), (56, 11885145), (60, 11092802), (70, 9508116), (84, 7923430), (105, 6338744), (120, 5546401), (140, 4754058), (163, 4083240), (168, 3961715), (210, 3169372), (280, 2377029), (326, 2041620), (420, 1584686), (489, 1361080), (652, 1020810), (815, 816648), (840, 792343), (978, 680540), (1141, 583320), (1304, 510405), (1630, 408324), (1956, 340270), (2282, 291660), (2445, 272216), (3260, 204162), (3423, 194440), (3912, 170135), (4564, 145830), (4861, 136920), (4890, 136108), (5705, 116664), (6520, 102081), (6846, 97220), (9128, 72915), (9722, 68460), (9780, 68054), (11410, 58332), (13692, 48610), (14583, 45640), (17115, 38888), (19444, 34230), (19560, 34027), (22820, 29166), (24305, 27384)]