89872720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 248234112

約数和(自身を除く): 158361392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 167, 217, 248, 280, 310, 334, 434, 496, 560, 620, 668, 835, 868, 961, 1085, 1169, 1240, 1336, 1670, 1736, 1922, 2170, 2338, 2480, 2672, 3340, 3472, 3844, 4340, 4676, 4805, 5177, 5845, 6680, 6727, 7688, 8680, 9352, 9610, 10354, 11690, 13360, 13454, 15376, 17360, 18704, 19220, 20708, 23380, 25885, 26908, 33635, 36239, 38440, 41416, 46760, 51770, 53816, 67270, 72478, 76880, 82832, 93520, 103540, 107632, 134540, 144956, 160487, 181195, 207080, 269080, 289912, 320974, 362390, 414160, 538160, 579824, 641948, 724780, 802435, 1123409, 1283896, 1449560, 1604870, 2246818, 2567792, 2899120, 3209740, 4493636, 5617045, 6419480, 8987272, 11234090, 12838960, 17974544, 22468180, 44936360, 89872720]

約数ペア:

[(1, 89872720), (2, 44936360), (4, 22468180), (5, 17974544), (7, 12838960), (8, 11234090), (10, 8987272), (14, 6419480), (16, 5617045), (20, 4493636), (28, 3209740), (31, 2899120), (35, 2567792), (40, 2246818), (56, 1604870), (62, 1449560), (70, 1283896), (80, 1123409), (112, 802435), (124, 724780), (140, 641948), (155, 579824), (167, 538160), (217, 414160), (248, 362390), (280, 320974), (310, 289912), (334, 269080), (434, 207080), (496, 181195), (560, 160487), (620, 144956), (668, 134540), (835, 107632), (868, 103540), (961, 93520), (1085, 82832), (1169, 76880), (1240, 72478), (1336, 67270), (1670, 53816), (1736, 51770), (1922, 46760), (2170, 41416), (2338, 38440), (2480, 36239), (2672, 33635), (3340, 26908), (3472, 25885), (3844, 23380), (4340, 20708), (4676, 19220), (4805, 18704), (5177, 17360), (5845, 15376), (6680, 13454), (6727, 13360), (7688, 11690), (8680, 10354), (9352, 9610)]