1209195920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{3229}}^1$

素因数の和:3424

約数の個数: 80

約数和(自身を含む): 2922193920

約数和(自身を除く): 1712998000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 151, 155, 248, 302, 310, 496, 604, 620, 755, 1208, 1240, 1510, 2416, 2480, 3020, 3229, 4681, 6040, 6458, 9362, 12080, 12916, 16145, 18724, 23405, 25832, 32290, 37448, 46810, 51664, 64580, 74896, 93620, 100099, 129160, 187240, 200198, 258320, 374480, 400396, 487579, 500495, 800792, 975158, 1000990, 1601584, 1950316, 2001980, 2437895, 3900632, 4003960, 4875790, 7801264, 8007920, 9751580, 15114949, 19503160, 30229898, 39006320, 60459796, 75574745, 120919592, 151149490, 241839184, 302298980, 604597960, 1209195920]

約数ペア:

[(1, 1209195920), (2, 604597960), (4, 302298980), (5, 241839184), (8, 151149490), (10, 120919592), (16, 75574745), (20, 60459796), (31, 39006320), (40, 30229898), (62, 19503160), (80, 15114949), (124, 9751580), (151, 8007920), (155, 7801264), (248, 4875790), (302, 4003960), (310, 3900632), (496, 2437895), (604, 2001980), (620, 1950316), (755, 1601584), (1208, 1000990), (1240, 975158), (1510, 800792), (2416, 500495), (2480, 487579), (3020, 400396), (3229, 374480), (4681, 258320), (6040, 200198), (6458, 187240), (9362, 129160), (12080, 100099), (12916, 93620), (16145, 74896), (18724, 64580), (23405, 51664), (25832, 46810), (32290, 37448)]