2137291280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{10909}}^1$

素因数の和:11032

約数の個数: 80

約数和(自身を含む): 5194905600

約数和(自身を除く): 3057614320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 790, 1240, 1264, 1580, 2449, 2480, 3160, 4898, 6320, 9796, 10909, 12245, 19592, 21818, 24490, 39184, 43636, 48980, 54545, 87272, 97960, 109090, 174544, 195920, 218180, 338179, 436360, 676358, 861811, 872720, 1352716, 1690895, 1723622, 2705432, 3381790, 3447244, 4309055, 5410864, 6763580, 6894488, 8618110, 13527160, 13788976, 17236220, 26716141, 27054320, 34472440, 53432282, 68944880, 106864564, 133580705, 213729128, 267161410, 427458256, 534322820, 1068645640, 2137291280]

約数ペア:

[(1, 2137291280), (2, 1068645640), (4, 534322820), (5, 427458256), (8, 267161410), (10, 213729128), (16, 133580705), (20, 106864564), (31, 68944880), (40, 53432282), (62, 34472440), (79, 27054320), (80, 26716141), (124, 17236220), (155, 13788976), (158, 13527160), (248, 8618110), (310, 6894488), (316, 6763580), (395, 5410864), (496, 4309055), (620, 3447244), (632, 3381790), (790, 2705432), (1240, 1723622), (1264, 1690895), (1580, 1352716), (2449, 872720), (2480, 861811), (3160, 676358), (4898, 436360), (6320, 338179), (9796, 218180), (10909, 195920), (12245, 174544), (19592, 109090), (21818, 97960), (24490, 87272), (39184, 54545), (43636, 48980)]