1440894420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2083}}^1$

素因数の和:2172

約数の個数: 240

約数和(自身を含む): 5253080448

約数和(自身を除く): 3812186028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 81, 84, 90, 105, 108, 122, 126, 135, 140, 162, 180, 183, 189, 210, 244, 252, 270, 305, 315, 324, 366, 378, 405, 420, 427, 540, 549, 567, 610, 630, 732, 756, 810, 854, 915, 945, 1098, 1134, 1220, 1260, 1281, 1620, 1647, 1708, 1830, 1890, 2083, 2135, 2196, 2268, 2562, 2745, 2835, 3294, 3660, 3780, 3843, 4166, 4270, 4941, 5124, 5490, 5670, 6249, 6405, 6588, 7686, 8235, 8332, 8540, 9882, 10415, 10980, 11340, 11529, 12498, 12810, 14581, 15372, 16470, 18747, 19215, 19764, 20830, 23058, 24705, 24996, 25620, 29162, 31245, 32940, 34587, 37494, 38430, 41660, 43743, 46116, 49410, 56241, 57645, 58324, 62490, 69174, 72905, 74988, 76860, 87486, 93735, 98820, 112482, 115290, 124980, 127063, 131229, 138348, 145810, 168723, 172935, 174972, 187470, 218715, 224964, 230580, 254126, 262458, 281205, 291620, 337446, 345870, 374940, 381189, 393687, 437430, 508252, 524916, 562410, 635315, 656145, 674892, 691740, 762378, 787374, 843615, 874860, 889441, 1124820, 1143567, 1181061, 1270630, 1312290, 1524756, 1574748, 1687230, 1778882, 1905945, 1968435, 2287134, 2362122, 2541260, 2624580, 2668323, 3374460, 3430701, 3557764, 3811890, 3936870, 4447205, 4574268, 4724244, 5336646, 5717835, 5905305, 6861402, 7623780, 7873740, 8004969, 8894410, 10292103, 10673292, 11435670, 11810610, 13341615, 13722804, 16009938, 17153505, 17788820, 20584206, 22871340, 23621220, 24014907, 26683230, 32019876, 34307010, 40024845, 41168412, 48029814, 51460515, 53366460, 68614020, 72044721, 80049690, 96059628, 102921030, 120074535, 144089442, 160099380, 205842060, 240149070, 288178884, 360223605, 480298140, 720447210, 1440894420]

約数ペア:

[(1, 1440894420), (2, 720447210), (3, 480298140), (4, 360223605), (5, 288178884), (6, 240149070), (7, 205842060), (9, 160099380), (10, 144089442), (12, 120074535), (14, 102921030), (15, 96059628), (18, 80049690), (20, 72044721), (21, 68614020), (27, 53366460), (28, 51460515), (30, 48029814), (35, 41168412), (36, 40024845), (42, 34307010), (45, 32019876), (54, 26683230), (60, 24014907), (61, 23621220), (63, 22871340), (70, 20584206), (81, 17788820), (84, 17153505), (90, 16009938), (105, 13722804), (108, 13341615), (122, 11810610), (126, 11435670), (135, 10673292), (140, 10292103), (162, 8894410), (180, 8004969), (183, 7873740), (189, 7623780), (210, 6861402), (244, 5905305), (252, 5717835), (270, 5336646), (305, 4724244), (315, 4574268), (324, 4447205), (366, 3936870), (378, 3811890), (405, 3557764), (420, 3430701), (427, 3374460), (540, 2668323), (549, 2624580), (567, 2541260), (610, 2362122), (630, 2287134), (732, 1968435), (756, 1905945), (810, 1778882), (854, 1687230), (915, 1574748), (945, 1524756), (1098, 1312290), (1134, 1270630), (1220, 1181061), (1260, 1143567), (1281, 1124820), (1620, 889441), (1647, 874860), (1708, 843615), (1830, 787374), (1890, 762378), (2083, 691740), (2135, 674892), (2196, 656145), (2268, 635315), (2562, 562410), (2745, 524916), (2835, 508252), (3294, 437430), (3660, 393687), (3780, 381189), (3843, 374940), (4166, 345870), (4270, 337446), (4941, 291620), (5124, 281205), (5490, 262458), (5670, 254126), (6249, 230580), (6405, 224964), (6588, 218715), (7686, 187470), (8235, 174972), (8332, 172935), (8540, 168723), (9882, 145810), (10415, 138348), (10980, 131229), (11340, 127063), (11529, 124980), (12498, 115290), (12810, 112482), (14581, 98820), (15372, 93735), (16470, 87486), (18747, 76860), (19215, 74988), (19764, 72905), (20830, 69174), (23058, 62490), (24705, 58324), (24996, 57645), (25620, 56241), (29162, 49410), (31245, 46116), (32940, 43743), (34587, 41660), (37494, 38430)]