31706190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 93102048

約数和(自身を除く): 61395858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 30, 34, 45, 46, 51, 53, 69, 85, 90, 102, 106, 115, 138, 153, 159, 170, 207, 230, 255, 265, 289, 306, 318, 345, 391, 414, 477, 510, 530, 578, 690, 765, 782, 795, 867, 901, 954, 1035, 1173, 1219, 1445, 1530, 1590, 1734, 1802, 1955, 2070, 2346, 2385, 2438, 2601, 2703, 2890, 3519, 3657, 3910, 4335, 4505, 4770, 5202, 5406, 5865, 6095, 6647, 7038, 7314, 8109, 8670, 9010, 10971, 11730, 12190, 13005, 13294, 13515, 15317, 16218, 17595, 18285, 19941, 20723, 21942, 26010, 27030, 30634, 33235, 35190, 36570, 39882, 40545, 41446, 45951, 54855, 59823, 62169, 66470, 76585, 81090, 91902, 99705, 103615, 109710, 119646, 124338, 137853, 153170, 186507, 199410, 207230, 229755, 275706, 299115, 310845, 352291, 373014, 459510, 598230, 621690, 689265, 704582, 932535, 1056873, 1378530, 1761455, 1865070, 2113746, 3170619, 3522910, 5284365, 6341238, 10568730, 15853095, 31706190]

約数ペア:

[(1, 31706190), (2, 15853095), (3, 10568730), (5, 6341238), (6, 5284365), (9, 3522910), (10, 3170619), (15, 2113746), (17, 1865070), (18, 1761455), (23, 1378530), (30, 1056873), (34, 932535), (45, 704582), (46, 689265), (51, 621690), (53, 598230), (69, 459510), (85, 373014), (90, 352291), (102, 310845), (106, 299115), (115, 275706), (138, 229755), (153, 207230), (159, 199410), (170, 186507), (207, 153170), (230, 137853), (255, 124338), (265, 119646), (289, 109710), (306, 103615), (318, 99705), (345, 91902), (391, 81090), (414, 76585), (477, 66470), (510, 62169), (530, 59823), (578, 54855), (690, 45951), (765, 41446), (782, 40545), (795, 39882), (867, 36570), (901, 35190), (954, 33235), (1035, 30634), (1173, 27030), (1219, 26010), (1445, 21942), (1530, 20723), (1590, 19941), (1734, 18285), (1802, 17595), (1955, 16218), (2070, 15317), (2346, 13515), (2385, 13294), (2438, 13005), (2601, 12190), (2703, 11730), (2890, 10971), (3519, 9010), (3657, 8670), (3910, 8109), (4335, 7314), (4505, 7038), (4770, 6647), (5202, 6095), (5406, 5865)]