260256780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2277

約数の個数: 192

約数和(自身を含む): 955637760

約数和(自身を除く): 695380980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1395, 1674, 1860, 1890, 1953, 2170, 2221, 2604, 2790, 3255, 3348, 3780, 3906, 4185, 4340, 4442, 5580, 5859, 6510, 6663, 7812, 8370, 8884, 9765, 11105, 11718, 13020, 13326, 15547, 16740, 19530, 19989, 22210, 23436, 26652, 29295, 31094, 33315, 39060, 39978, 44420, 46641, 58590, 59967, 62188, 66630, 68851, 77735, 79956, 93282, 99945, 117180, 119934, 133260, 137702, 139923, 155470, 186564, 199890, 206553, 233205, 239868, 275404, 279846, 299835, 310940, 344255, 399780, 413106, 419769, 466410, 481957, 559692, 599670, 619659, 688510, 699615, 826212, 839538, 932820, 963914, 1032765, 1199340, 1239318, 1377020, 1399230, 1445871, 1679076, 1858977, 1927828, 2065530, 2098845, 2409785, 2478636, 2798460, 2891742, 3098295, 3717954, 4131060, 4197690, 4337613, 4819570, 5783484, 6196590, 7229355, 7435908, 8395380, 8675226, 9294885, 9639140, 12393180, 13012839, 14458710, 17350452, 18589770, 21688065, 26025678, 28917420, 37179540, 43376130, 52051356, 65064195, 86752260, 130128390, 260256780]

約数ペア:

[(1, 260256780), (2, 130128390), (3, 86752260), (4, 65064195), (5, 52051356), (6, 43376130), (7, 37179540), (9, 28917420), (10, 26025678), (12, 21688065), (14, 18589770), (15, 17350452), (18, 14458710), (20, 13012839), (21, 12393180), (27, 9639140), (28, 9294885), (30, 8675226), (31, 8395380), (35, 7435908), (36, 7229355), (42, 6196590), (45, 5783484), (54, 4819570), (60, 4337613), (62, 4197690), (63, 4131060), (70, 3717954), (84, 3098295), (90, 2891742), (93, 2798460), (105, 2478636), (108, 2409785), (124, 2098845), (126, 2065530), (135, 1927828), (140, 1858977), (155, 1679076), (180, 1445871), (186, 1399230), (189, 1377020), (210, 1239318), (217, 1199340), (252, 1032765), (270, 963914), (279, 932820), (310, 839538), (315, 826212), (372, 699615), (378, 688510), (420, 619659), (434, 599670), (465, 559692), (540, 481957), (558, 466410), (620, 419769), (630, 413106), (651, 399780), (756, 344255), (837, 310940), (868, 299835), (930, 279846), (945, 275404), (1085, 239868), (1116, 233205), (1260, 206553), (1302, 199890), (1395, 186564), (1674, 155470), (1860, 139923), (1890, 137702), (1953, 133260), (2170, 119934), (2221, 117180), (2604, 99945), (2790, 93282), (3255, 79956), (3348, 77735), (3780, 68851), (3906, 66630), (4185, 62188), (4340, 59967), (4442, 58590), (5580, 46641), (5859, 44420), (6510, 39978), (6663, 39060), (7812, 33315), (8370, 31094), (8884, 29295), (9765, 26652), (11105, 23436), (11718, 22210), (13020, 19989), (13326, 19530), (15547, 16740)]