90438390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 278784000

約数和(自身を除く): 188345610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 109, 126, 135, 189, 210, 218, 270, 315, 327, 378, 439, 545, 630, 654, 763, 878, 945, 981, 1090, 1317, 1526, 1635, 1890, 1962, 2195, 2289, 2634, 2943, 3073, 3270, 3815, 3951, 4390, 4578, 4905, 5886, 6146, 6585, 6867, 7630, 7902, 9219, 9810, 11445, 11853, 13170, 13734, 14715, 15365, 18438, 19755, 20601, 22890, 23706, 27657, 29430, 30730, 34335, 39510, 41202, 46095, 47851, 55314, 59265, 68670, 82971, 92190, 95702, 103005, 118530, 138285, 143553, 165942, 206010, 239255, 276570, 287106, 334957, 414855, 430659, 478510, 669914, 717765, 829710, 861318, 1004871, 1291977, 1435530, 1674785, 2009742, 2153295, 2583954, 3014613, 3349570, 4306590, 5024355, 6029226, 6459885, 9043839, 10048710, 12919770, 15073065, 18087678, 30146130, 45219195, 90438390]

約数ペア:

[(1, 90438390), (2, 45219195), (3, 30146130), (5, 18087678), (6, 15073065), (7, 12919770), (9, 10048710), (10, 9043839), (14, 6459885), (15, 6029226), (18, 5024355), (21, 4306590), (27, 3349570), (30, 3014613), (35, 2583954), (42, 2153295), (45, 2009742), (54, 1674785), (63, 1435530), (70, 1291977), (90, 1004871), (105, 861318), (109, 829710), (126, 717765), (135, 669914), (189, 478510), (210, 430659), (218, 414855), (270, 334957), (315, 287106), (327, 276570), (378, 239255), (439, 206010), (545, 165942), (630, 143553), (654, 138285), (763, 118530), (878, 103005), (945, 95702), (981, 92190), (1090, 82971), (1317, 68670), (1526, 59265), (1635, 55314), (1890, 47851), (1962, 46095), (2195, 41202), (2289, 39510), (2634, 34335), (2943, 30730), (3073, 29430), (3270, 27657), (3815, 23706), (3951, 22890), (4390, 20601), (4578, 19755), (4905, 18438), (5886, 15365), (6146, 14715), (6585, 13734), (6867, 13170), (7630, 11853), (7902, 11445), (9219, 9810)]