1440873840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{857663}}^1$

素因数の和:857686

約数の個数: 80

約数和(自身を含む): 5104816128

約数和(自身を除く): 3663942288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 857663, 1715326, 2572989, 3430652, 4288315, 5145978, 6003641, 6861304, 8576630, 10291956, 12007282, 12864945, 13722608, 17153260, 18010923, 20583912, 24014564, 25729890, 30018205, 34306520, 36021846, 41167824, 48029128, 51459780, 60036410, 68613040, 72043692, 90054615, 96058256, 102919560, 120072820, 144087384, 180109230, 205839120, 240145640, 288174768, 360218460, 480291280, 720436920, 1440873840]

約数ペア:

[(1, 1440873840), (2, 720436920), (3, 480291280), (4, 360218460), (5, 288174768), (6, 240145640), (7, 205839120), (8, 180109230), (10, 144087384), (12, 120072820), (14, 102919560), (15, 96058256), (16, 90054615), (20, 72043692), (21, 68613040), (24, 60036410), (28, 51459780), (30, 48029128), (35, 41167824), (40, 36021846), (42, 34306520), (48, 30018205), (56, 25729890), (60, 24014564), (70, 20583912), (80, 18010923), (84, 17153260), (105, 13722608), (112, 12864945), (120, 12007282), (140, 10291956), (168, 8576630), (210, 6861304), (240, 6003641), (280, 5145978), (336, 4288315), (420, 3430652), (560, 2572989), (840, 1715326), (1680, 857663)]