72210222

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 199180800

約数和(自身を除く): 126970578

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 31, 38, 42, 49, 57, 62, 63, 93, 98, 114, 126, 133, 139, 147, 171, 186, 217, 266, 278, 279, 294, 342, 399, 417, 434, 441, 558, 589, 651, 798, 834, 882, 931, 973, 1178, 1197, 1251, 1302, 1519, 1767, 1862, 1946, 1953, 2394, 2502, 2641, 2793, 2919, 3038, 3534, 3906, 4123, 4309, 4557, 5282, 5301, 5586, 5838, 6811, 7923, 8246, 8379, 8618, 8757, 9114, 10602, 12369, 12927, 13622, 13671, 15846, 16758, 17514, 18487, 20433, 23769, 24738, 25854, 27342, 28861, 30163, 36974, 37107, 38781, 40866, 47538, 55461, 57722, 60326, 61299, 74214, 77562, 81871, 86583, 90489, 110922, 122598, 129409, 163742, 166383, 173166, 180978, 211141, 245613, 258818, 259749, 271467, 332766, 388227, 422282, 491226, 519498, 542934, 573097, 633423, 736839, 776454, 1146194, 1164681, 1266846, 1473678, 1719291, 1900269, 2329362, 3438582, 3800538, 4011679, 5157873, 8023358, 10315746, 12035037, 24070074, 36105111, 72210222]

約数ペア:

[(1, 72210222), (2, 36105111), (3, 24070074), (6, 12035037), (7, 10315746), (9, 8023358), (14, 5157873), (18, 4011679), (19, 3800538), (21, 3438582), (31, 2329362), (38, 1900269), (42, 1719291), (49, 1473678), (57, 1266846), (62, 1164681), (63, 1146194), (93, 776454), (98, 736839), (114, 633423), (126, 573097), (133, 542934), (139, 519498), (147, 491226), (171, 422282), (186, 388227), (217, 332766), (266, 271467), (278, 259749), (279, 258818), (294, 245613), (342, 211141), (399, 180978), (417, 173166), (434, 166383), (441, 163742), (558, 129409), (589, 122598), (651, 110922), (798, 90489), (834, 86583), (882, 81871), (931, 77562), (973, 74214), (1178, 61299), (1197, 60326), (1251, 57722), (1302, 55461), (1519, 47538), (1767, 40866), (1862, 38781), (1946, 37107), (1953, 36974), (2394, 30163), (2502, 28861), (2641, 27342), (2793, 25854), (2919, 24738), (3038, 23769), (3534, 20433), (3906, 18487), (4123, 17514), (4309, 16758), (4557, 15846), (5282, 13671), (5301, 13622), (5586, 12927), (5838, 12369), (6811, 10602), (7923, 9114), (8246, 8757), (8379, 8618)]