71409660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 235799424

約数和(自身を除く): 164389764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 107, 140, 147, 196, 210, 214, 227, 245, 294, 321, 420, 428, 454, 490, 535, 588, 642, 681, 735, 749, 908, 980, 1070, 1135, 1284, 1362, 1470, 1498, 1589, 1605, 2140, 2247, 2270, 2724, 2940, 2996, 3178, 3210, 3405, 3745, 4494, 4540, 4767, 5243, 6356, 6420, 6810, 7490, 7945, 8988, 9534, 10486, 11123, 11235, 13620, 14980, 15729, 15890, 19068, 20972, 22246, 22470, 23835, 24289, 26215, 31458, 31780, 33369, 44492, 44940, 47670, 48578, 52430, 55615, 62916, 66738, 72867, 78645, 95340, 97156, 104860, 111230, 121445, 133476, 145734, 157290, 166845, 170023, 222460, 242890, 291468, 314580, 333690, 340046, 364335, 485780, 510069, 667380, 680092, 728670, 850115, 1020138, 1190161, 1457340, 1700230, 2040276, 2380322, 2550345, 3400460, 3570483, 4760644, 5100690, 5950805, 7140966, 10201380, 11901610, 14281932, 17852415, 23803220, 35704830, 71409660]

約数ペア:

[(1, 71409660), (2, 35704830), (3, 23803220), (4, 17852415), (5, 14281932), (6, 11901610), (7, 10201380), (10, 7140966), (12, 5950805), (14, 5100690), (15, 4760644), (20, 3570483), (21, 3400460), (28, 2550345), (30, 2380322), (35, 2040276), (42, 1700230), (49, 1457340), (60, 1190161), (70, 1020138), (84, 850115), (98, 728670), (105, 680092), (107, 667380), (140, 510069), (147, 485780), (196, 364335), (210, 340046), (214, 333690), (227, 314580), (245, 291468), (294, 242890), (321, 222460), (420, 170023), (428, 166845), (454, 157290), (490, 145734), (535, 133476), (588, 121445), (642, 111230), (681, 104860), (735, 97156), (749, 95340), (908, 78645), (980, 72867), (1070, 66738), (1135, 62916), (1284, 55615), (1362, 52430), (1470, 48578), (1498, 47670), (1589, 44940), (1605, 44492), (2140, 33369), (2247, 31780), (2270, 31458), (2724, 26215), (2940, 24289), (2996, 23835), (3178, 22470), (3210, 22246), (3405, 20972), (3745, 19068), (4494, 15890), (4540, 15729), (4767, 14980), (5243, 13620), (6356, 11235), (6420, 11123), (6810, 10486), (7490, 9534), (7945, 8988)]