31644180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 101896704

約数和(自身を除く): 70252524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 53, 60, 62, 90, 93, 106, 107, 124, 155, 159, 180, 186, 212, 214, 265, 279, 310, 318, 321, 372, 428, 465, 477, 530, 535, 558, 620, 636, 642, 795, 930, 954, 963, 1060, 1070, 1116, 1284, 1395, 1590, 1605, 1643, 1860, 1908, 1926, 2140, 2385, 2790, 3180, 3210, 3286, 3317, 3852, 4770, 4815, 4929, 5580, 5671, 6420, 6572, 6634, 8215, 9540, 9630, 9858, 9951, 11342, 13268, 14787, 16430, 16585, 17013, 19260, 19716, 19902, 22684, 24645, 28355, 29574, 29853, 32860, 33170, 34026, 39804, 49290, 49755, 51039, 56710, 59148, 59706, 66340, 68052, 73935, 85065, 98580, 99510, 102078, 113420, 119412, 147870, 149265, 170130, 175801, 199020, 204156, 255195, 295740, 298530, 340260, 351602, 510390, 527403, 597060, 703204, 879005, 1020780, 1054806, 1582209, 1758010, 2109612, 2637015, 3164418, 3516020, 5274030, 6328836, 7911045, 10548060, 15822090, 31644180]

約数ペア:

[(1, 31644180), (2, 15822090), (3, 10548060), (4, 7911045), (5, 6328836), (6, 5274030), (9, 3516020), (10, 3164418), (12, 2637015), (15, 2109612), (18, 1758010), (20, 1582209), (30, 1054806), (31, 1020780), (36, 879005), (45, 703204), (53, 597060), (60, 527403), (62, 510390), (90, 351602), (93, 340260), (106, 298530), (107, 295740), (124, 255195), (155, 204156), (159, 199020), (180, 175801), (186, 170130), (212, 149265), (214, 147870), (265, 119412), (279, 113420), (310, 102078), (318, 99510), (321, 98580), (372, 85065), (428, 73935), (465, 68052), (477, 66340), (530, 59706), (535, 59148), (558, 56710), (620, 51039), (636, 49755), (642, 49290), (795, 39804), (930, 34026), (954, 33170), (963, 32860), (1060, 29853), (1070, 29574), (1116, 28355), (1284, 24645), (1395, 22684), (1590, 19902), (1605, 19716), (1643, 19260), (1860, 17013), (1908, 16585), (1926, 16430), (2140, 14787), (2385, 13268), (2790, 11342), (3180, 9951), (3210, 9858), (3286, 9630), (3317, 9540), (3852, 8215), (4770, 6634), (4815, 6572), (4929, 6420), (5580, 5671)]