71109780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 216

約数和(自身を含む): 248095008

約数和(自身を除く): 176985228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 67, 70, 76, 84, 95, 98, 105, 114, 133, 134, 140, 147, 190, 196, 201, 210, 228, 245, 266, 268, 285, 294, 335, 361, 380, 399, 402, 420, 469, 490, 532, 570, 588, 665, 670, 722, 735, 798, 804, 931, 938, 980, 1005, 1083, 1140, 1273, 1330, 1340, 1407, 1444, 1470, 1596, 1805, 1862, 1876, 1995, 2010, 2166, 2345, 2527, 2546, 2660, 2793, 2814, 2940, 3283, 3610, 3724, 3819, 3990, 4020, 4332, 4655, 4690, 5054, 5092, 5415, 5586, 5628, 6365, 6566, 7035, 7220, 7581, 7638, 7980, 8911, 9310, 9380, 9849, 10108, 10830, 11172, 12635, 12730, 13132, 13965, 14070, 15162, 15276, 16415, 17689, 17822, 18620, 19095, 19698, 21660, 24187, 25270, 25460, 26733, 27930, 28140, 30324, 32830, 35378, 35644, 37905, 38190, 39396, 44555, 48374, 49245, 50540, 53067, 53466, 55860, 62377, 65660, 70756, 72561, 75810, 76380, 88445, 89110, 96748, 98490, 106134, 106932, 120935, 124754, 133665, 145122, 151620, 169309, 176890, 178220, 187131, 196980, 212268, 241870, 249508, 265335, 267330, 290244, 311885, 338618, 353780, 362805, 374262, 483740, 507927, 530670, 534660, 623770, 677236, 725610, 748524, 846545, 935655, 1015854, 1061340, 1185163, 1247540, 1451220, 1693090, 1871310, 2031708, 2370326, 2539635, 3386180, 3555489, 3742620, 4740652, 5079270, 5925815, 7110978, 10158540, 11851630, 14221956, 17777445, 23703260, 35554890, 71109780]

約数ペア:

[(1, 71109780), (2, 35554890), (3, 23703260), (4, 17777445), (5, 14221956), (6, 11851630), (7, 10158540), (10, 7110978), (12, 5925815), (14, 5079270), (15, 4740652), (19, 3742620), (20, 3555489), (21, 3386180), (28, 2539635), (30, 2370326), (35, 2031708), (38, 1871310), (42, 1693090), (49, 1451220), (57, 1247540), (60, 1185163), (67, 1061340), (70, 1015854), (76, 935655), (84, 846545), (95, 748524), (98, 725610), (105, 677236), (114, 623770), (133, 534660), (134, 530670), (140, 507927), (147, 483740), (190, 374262), (196, 362805), (201, 353780), (210, 338618), (228, 311885), (245, 290244), (266, 267330), (268, 265335), (285, 249508), (294, 241870), (335, 212268), (361, 196980), (380, 187131), (399, 178220), (402, 176890), (420, 169309), (469, 151620), (490, 145122), (532, 133665), (570, 124754), (588, 120935), (665, 106932), (670, 106134), (722, 98490), (735, 96748), (798, 89110), (804, 88445), (931, 76380), (938, 75810), (980, 72561), (1005, 70756), (1083, 65660), (1140, 62377), (1273, 55860), (1330, 53466), (1340, 53067), (1407, 50540), (1444, 49245), (1470, 48374), (1596, 44555), (1805, 39396), (1862, 38190), (1876, 37905), (1995, 35644), (2010, 35378), (2166, 32830), (2345, 30324), (2527, 28140), (2546, 27930), (2660, 26733), (2793, 25460), (2814, 25270), (2940, 24187), (3283, 21660), (3610, 19698), (3724, 19095), (3819, 18620), (3990, 17822), (4020, 17689), (4332, 16415), (4655, 15276), (4690, 15162), (5054, 14070), (5092, 13965), (5415, 13132), (5586, 12730), (5628, 12635), (6365, 11172), (6566, 10830), (7035, 10108), (7220, 9849), (7581, 9380), (7638, 9310), (7980, 8911)]