71983860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 226275840

約数和(自身を除く): 154291980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 229, 260, 310, 338, 372, 390, 403, 458, 465, 507, 620, 676, 687, 780, 806, 845, 916, 930, 1014, 1145, 1209, 1374, 1612, 1690, 1860, 2015, 2028, 2290, 2418, 2535, 2748, 2977, 3380, 3435, 4030, 4580, 4836, 5070, 5239, 5954, 6045, 6870, 7099, 8060, 8931, 10140, 10478, 11908, 12090, 13740, 14198, 14885, 15717, 17862, 20956, 21297, 24180, 26195, 28396, 29770, 31434, 35495, 35724, 38701, 42594, 44655, 52390, 59540, 62868, 70990, 77402, 78585, 85188, 89310, 92287, 104780, 106485, 116103, 141980, 154804, 157170, 178620, 184574, 193505, 212970, 232206, 276861, 314340, 369148, 387010, 425940, 461435, 464412, 553722, 580515, 774020, 922870, 1107444, 1161030, 1199731, 1384305, 1845740, 2322060, 2399462, 2768610, 3599193, 4798924, 5537220, 5998655, 7198386, 11997310, 14396772, 17995965, 23994620, 35991930, 71983860]

約数ペア:

[(1, 71983860), (2, 35991930), (3, 23994620), (4, 17995965), (5, 14396772), (6, 11997310), (10, 7198386), (12, 5998655), (13, 5537220), (15, 4798924), (20, 3599193), (26, 2768610), (30, 2399462), (31, 2322060), (39, 1845740), (52, 1384305), (60, 1199731), (62, 1161030), (65, 1107444), (78, 922870), (93, 774020), (124, 580515), (130, 553722), (155, 464412), (156, 461435), (169, 425940), (186, 387010), (195, 369148), (229, 314340), (260, 276861), (310, 232206), (338, 212970), (372, 193505), (390, 184574), (403, 178620), (458, 157170), (465, 154804), (507, 141980), (620, 116103), (676, 106485), (687, 104780), (780, 92287), (806, 89310), (845, 85188), (916, 78585), (930, 77402), (1014, 70990), (1145, 62868), (1209, 59540), (1374, 52390), (1612, 44655), (1690, 42594), (1860, 38701), (2015, 35724), (2028, 35495), (2290, 31434), (2418, 29770), (2535, 28396), (2748, 26195), (2977, 24180), (3380, 21297), (3435, 20956), (4030, 17862), (4580, 15717), (4836, 14885), (5070, 14198), (5239, 13740), (5954, 12090), (6045, 11908), (6870, 10478), (7099, 10140), (8060, 8931)]