90287820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{547}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 315963648

約数和(自身を除く): 225675828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 131, 140, 180, 210, 252, 262, 315, 393, 420, 524, 547, 630, 655, 786, 917, 1094, 1179, 1260, 1310, 1572, 1641, 1834, 1965, 2188, 2358, 2620, 2735, 2751, 3282, 3668, 3829, 3930, 4585, 4716, 4923, 5470, 5502, 5895, 6564, 7658, 7860, 8205, 8253, 9170, 9846, 10940, 11004, 11487, 11790, 13755, 15316, 16410, 16506, 18340, 19145, 19692, 22974, 23580, 24615, 27510, 32820, 33012, 34461, 38290, 41265, 45948, 49230, 55020, 57435, 68922, 71657, 76580, 82530, 98460, 114870, 137844, 143314, 165060, 172305, 214971, 229740, 286628, 344610, 358285, 429942, 501599, 644913, 689220, 716570, 859884, 1003198, 1074855, 1289826, 1433140, 1504797, 2006396, 2149710, 2507995, 2579652, 3009594, 3224565, 4299420, 4514391, 5015990, 6019188, 6449130, 7523985, 9028782, 10031980, 12898260, 15047970, 18057564, 22571955, 30095940, 45143910, 90287820]

約数ペア:

[(1, 90287820), (2, 45143910), (3, 30095940), (4, 22571955), (5, 18057564), (6, 15047970), (7, 12898260), (9, 10031980), (10, 9028782), (12, 7523985), (14, 6449130), (15, 6019188), (18, 5015990), (20, 4514391), (21, 4299420), (28, 3224565), (30, 3009594), (35, 2579652), (36, 2507995), (42, 2149710), (45, 2006396), (60, 1504797), (63, 1433140), (70, 1289826), (84, 1074855), (90, 1003198), (105, 859884), (126, 716570), (131, 689220), (140, 644913), (180, 501599), (210, 429942), (252, 358285), (262, 344610), (315, 286628), (393, 229740), (420, 214971), (524, 172305), (547, 165060), (630, 143314), (655, 137844), (786, 114870), (917, 98460), (1094, 82530), (1179, 76580), (1260, 71657), (1310, 68922), (1572, 57435), (1641, 55020), (1834, 49230), (1965, 45948), (2188, 41265), (2358, 38290), (2620, 34461), (2735, 33012), (2751, 32820), (3282, 27510), (3668, 24615), (3829, 23580), (3930, 22974), (4585, 19692), (4716, 19145), (4923, 18340), (5470, 16506), (5502, 16410), (5895, 15316), (6564, 13755), (7658, 11790), (7860, 11487), (8205, 11004), (8253, 10940), (9170, 9846)]