51813090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:437

約数の個数: 144

約数和(自身を含む): 162190080

約数和(自身を除く): 110376990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 98, 105, 126, 147, 155, 186, 210, 217, 245, 279, 294, 310, 315, 379, 434, 441, 465, 490, 558, 630, 651, 735, 758, 882, 930, 1085, 1137, 1302, 1395, 1470, 1519, 1895, 1953, 2170, 2205, 2274, 2653, 2790, 3038, 3255, 3411, 3790, 3906, 4410, 4557, 5306, 5685, 6510, 6822, 7595, 7959, 9114, 9765, 11370, 11749, 13265, 13671, 15190, 15918, 17055, 18571, 19530, 22785, 23498, 23877, 26530, 27342, 34110, 35247, 37142, 39795, 45570, 47754, 55713, 58745, 68355, 70494, 79590, 82243, 92855, 105741, 111426, 117490, 119385, 136710, 164486, 167139, 176235, 185710, 211482, 238770, 246729, 278565, 334278, 352470, 411215, 493458, 528705, 557130, 575701, 740187, 822430, 835695, 1057410, 1151402, 1233645, 1480374, 1671390, 1727103, 2467290, 2878505, 3454206, 3700935, 5181309, 5757010, 7401870, 8635515, 10362618, 17271030, 25906545, 51813090]

約数ペア:

[(1, 51813090), (2, 25906545), (3, 17271030), (5, 10362618), (6, 8635515), (7, 7401870), (9, 5757010), (10, 5181309), (14, 3700935), (15, 3454206), (18, 2878505), (21, 2467290), (30, 1727103), (31, 1671390), (35, 1480374), (42, 1233645), (45, 1151402), (49, 1057410), (62, 835695), (63, 822430), (70, 740187), (90, 575701), (93, 557130), (98, 528705), (105, 493458), (126, 411215), (147, 352470), (155, 334278), (186, 278565), (210, 246729), (217, 238770), (245, 211482), (279, 185710), (294, 176235), (310, 167139), (315, 164486), (379, 136710), (434, 119385), (441, 117490), (465, 111426), (490, 105741), (558, 92855), (630, 82243), (651, 79590), (735, 70494), (758, 68355), (882, 58745), (930, 55713), (1085, 47754), (1137, 45570), (1302, 39795), (1395, 37142), (1470, 35247), (1519, 34110), (1895, 27342), (1953, 26530), (2170, 23877), (2205, 23498), (2274, 22785), (2653, 19530), (2790, 18571), (3038, 17055), (3255, 15918), (3411, 15190), (3790, 13671), (3906, 13265), (4410, 11749), (4557, 11370), (5306, 9765), (5685, 9114), (6510, 7959), (6822, 7595)]