73280020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 171333792

約数和(自身を除く): 98053772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 214, 220, 242, 283, 428, 484, 535, 566, 605, 1070, 1132, 1177, 1210, 1415, 2140, 2354, 2420, 2830, 3113, 4708, 5660, 5885, 6226, 11770, 12452, 12947, 15565, 23540, 25894, 30281, 31130, 34243, 51788, 60562, 62260, 64735, 68486, 121124, 129470, 136972, 151405, 171215, 258940, 302810, 333091, 342430, 605620, 666182, 684860, 1332364, 1665455, 3330910, 3664001, 6661820, 7328002, 14656004, 18320005, 36640010, 73280020]

約数ペア:

[(1, 73280020), (2, 36640010), (4, 18320005), (5, 14656004), (10, 7328002), (11, 6661820), (20, 3664001), (22, 3330910), (44, 1665455), (55, 1332364), (107, 684860), (110, 666182), (121, 605620), (214, 342430), (220, 333091), (242, 302810), (283, 258940), (428, 171215), (484, 151405), (535, 136972), (566, 129470), (605, 121124), (1070, 68486), (1132, 64735), (1177, 62260), (1210, 60562), (1415, 51788), (2140, 34243), (2354, 31130), (2420, 30281), (2830, 25894), (3113, 23540), (4708, 15565), (5660, 12947), (5885, 12452), (6226, 11770)]