90725220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 289336320

約数和(自身を除く): 198611100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 142, 155, 180, 186, 213, 229, 279, 284, 310, 355, 372, 426, 458, 465, 558, 620, 639, 687, 710, 852, 916, 930, 1065, 1116, 1145, 1278, 1374, 1395, 1420, 1860, 2061, 2130, 2201, 2290, 2556, 2748, 2790, 3195, 3435, 4122, 4260, 4402, 4580, 5580, 6390, 6603, 6870, 7099, 8244, 8804, 10305, 11005, 12780, 13206, 13740, 14198, 16259, 19809, 20610, 21297, 22010, 26412, 28396, 32518, 33015, 35495, 39618, 41220, 42594, 44020, 48777, 63891, 65036, 66030, 70990, 79236, 81295, 85188, 97554, 99045, 106485, 127782, 132060, 141980, 146331, 162590, 195108, 198090, 212970, 243885, 255564, 292662, 319455, 325180, 396180, 425940, 487770, 504029, 585324, 638910, 731655, 975540, 1008058, 1277820, 1463310, 1512087, 2016116, 2520145, 2926620, 3024174, 4536261, 5040290, 6048348, 7560435, 9072522, 10080580, 15120870, 18145044, 22681305, 30241740, 45362610, 90725220]

約数ペア:

[(1, 90725220), (2, 45362610), (3, 30241740), (4, 22681305), (5, 18145044), (6, 15120870), (9, 10080580), (10, 9072522), (12, 7560435), (15, 6048348), (18, 5040290), (20, 4536261), (30, 3024174), (31, 2926620), (36, 2520145), (45, 2016116), (60, 1512087), (62, 1463310), (71, 1277820), (90, 1008058), (93, 975540), (124, 731655), (142, 638910), (155, 585324), (180, 504029), (186, 487770), (213, 425940), (229, 396180), (279, 325180), (284, 319455), (310, 292662), (355, 255564), (372, 243885), (426, 212970), (458, 198090), (465, 195108), (558, 162590), (620, 146331), (639, 141980), (687, 132060), (710, 127782), (852, 106485), (916, 99045), (930, 97554), (1065, 85188), (1116, 81295), (1145, 79236), (1278, 70990), (1374, 66030), (1395, 65036), (1420, 63891), (1860, 48777), (2061, 44020), (2130, 42594), (2201, 41220), (2290, 39618), (2556, 35495), (2748, 33015), (2790, 32518), (3195, 28396), (3435, 26412), (4122, 22010), (4260, 21297), (4402, 20610), (4580, 19809), (5580, 16259), (6390, 14198), (6603, 13740), (6870, 13206), (7099, 12780), (8244, 11005), (8804, 10305)]