68157980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^2\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 160619760

約数和(自身を除く): 92461780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 89, 110, 118, 178, 220, 236, 295, 356, 445, 590, 649, 890, 979, 1180, 1298, 1780, 1958, 2596, 3245, 3481, 3916, 4895, 5251, 6490, 6962, 9790, 10502, 12980, 13924, 17405, 19580, 21004, 26255, 34810, 38291, 52510, 57761, 69620, 76582, 105020, 115522, 153164, 191455, 231044, 288805, 309809, 382910, 577610, 619618, 765820, 1155220, 1239236, 1549045, 3098090, 3407899, 6196180, 6815798, 13631596, 17039495, 34078990, 68157980]

約数ペア:

[(1, 68157980), (2, 34078990), (4, 17039495), (5, 13631596), (10, 6815798), (11, 6196180), (20, 3407899), (22, 3098090), (44, 1549045), (55, 1239236), (59, 1155220), (89, 765820), (110, 619618), (118, 577610), (178, 382910), (220, 309809), (236, 288805), (295, 231044), (356, 191455), (445, 153164), (590, 115522), (649, 105020), (890, 76582), (979, 69620), (1180, 57761), (1298, 52510), (1780, 38291), (1958, 34810), (2596, 26255), (3245, 21004), (3481, 19580), (3916, 17405), (4895, 13924), (5251, 12980), (6490, 10502), (6962, 9790)]