72867860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 172730880

約数和(自身を除く): 99863020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 67, 89, 94, 130, 134, 178, 188, 235, 260, 268, 335, 356, 445, 470, 611, 670, 871, 890, 940, 1157, 1222, 1340, 1742, 1780, 2314, 2444, 3055, 3149, 3484, 4183, 4355, 4628, 5785, 5963, 6110, 6298, 8366, 8710, 11570, 11926, 12220, 12596, 15745, 16732, 17420, 20915, 23140, 23852, 29815, 31490, 40937, 41830, 54379, 59630, 62980, 77519, 81874, 83660, 108758, 119260, 155038, 163748, 204685, 217516, 271895, 280261, 310076, 387595, 409370, 543790, 560522, 775190, 818740, 1087580, 1121044, 1401305, 1550380, 2802610, 3643393, 5605220, 7286786, 14573572, 18216965, 36433930, 72867860]

約数ペア:

[(1, 72867860), (2, 36433930), (4, 18216965), (5, 14573572), (10, 7286786), (13, 5605220), (20, 3643393), (26, 2802610), (47, 1550380), (52, 1401305), (65, 1121044), (67, 1087580), (89, 818740), (94, 775190), (130, 560522), (134, 543790), (178, 409370), (188, 387595), (235, 310076), (260, 280261), (268, 271895), (335, 217516), (356, 204685), (445, 163748), (470, 155038), (611, 119260), (670, 108758), (871, 83660), (890, 81874), (940, 77519), (1157, 62980), (1222, 59630), (1340, 54379), (1742, 41830), (1780, 40937), (2314, 31490), (2444, 29815), (3055, 23852), (3149, 23140), (3484, 20915), (4183, 17420), (4355, 16732), (4628, 15745), (5785, 12596), (5963, 12220), (6110, 11926), (6298, 11570), (8366, 8710)]