640936080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1559}}^1$

素因数の和:2149

約数の個数: 120

約数和(自身を含む): 2157629760

約数和(自身を除く): 1516693680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 571, 720, 1142, 1559, 1713, 2284, 2855, 3118, 3426, 4568, 4677, 5139, 5710, 6236, 6852, 7795, 8565, 9136, 9354, 10278, 11420, 12472, 13704, 14031, 15590, 17130, 18708, 20556, 22840, 23385, 24944, 25695, 27408, 28062, 31180, 34260, 37416, 41112, 45680, 46770, 51390, 56124, 62360, 68520, 70155, 74832, 82224, 93540, 102780, 112248, 124720, 137040, 140310, 187080, 205560, 224496, 280620, 374160, 411120, 561240, 890189, 1122480, 1780378, 2670567, 3560756, 4450945, 5341134, 7121512, 8011701, 8901890, 10682268, 13352835, 14243024, 16023402, 17803780, 21364536, 26705670, 32046804, 35607560, 40058505, 42729072, 53411340, 64093608, 71215120, 80117010, 106822680, 128187216, 160234020, 213645360, 320468040, 640936080]

約数ペア:

[(1, 640936080), (2, 320468040), (3, 213645360), (4, 160234020), (5, 128187216), (6, 106822680), (8, 80117010), (9, 71215120), (10, 64093608), (12, 53411340), (15, 42729072), (16, 40058505), (18, 35607560), (20, 32046804), (24, 26705670), (30, 21364536), (36, 17803780), (40, 16023402), (45, 14243024), (48, 13352835), (60, 10682268), (72, 8901890), (80, 8011701), (90, 7121512), (120, 5341134), (144, 4450945), (180, 3560756), (240, 2670567), (360, 1780378), (571, 1122480), (720, 890189), (1142, 561240), (1559, 411120), (1713, 374160), (2284, 280620), (2855, 224496), (3118, 205560), (3426, 187080), (4568, 140310), (4677, 137040), (5139, 124720), (5710, 112248), (6236, 102780), (6852, 93540), (7795, 82224), (8565, 74832), (9136, 70155), (9354, 68520), (10278, 62360), (11420, 56124), (12472, 51390), (13704, 46770), (14031, 45680), (15590, 41112), (17130, 37416), (18708, 34260), (20556, 31180), (22840, 28062), (23385, 27408), (24944, 25695)]