215568990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26321}}^1$

素因数の和:26354

約数の個数: 96

約数和(自身を含む): 689846976

約数和(自身を除く): 474277986

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 4095, 8190, 26321, 52642, 78963, 131605, 157926, 184247, 236889, 263210, 342173, 368494, 394815, 473778, 552741, 684346, 789630, 921235, 1026519, 1105482, 1184445, 1658223, 1710865, 1842470, 2053038, 2368890, 2395211, 2763705, 3079557, 3316446, 3421730, 4790422, 5132595, 5527410, 6159114, 7185633, 8291115, 10265190, 11976055, 14371266, 15397785, 16582230, 21556899, 23952110, 30795570, 35928165, 43113798, 71856330, 107784495, 215568990]

約数ペア:

[(1, 215568990), (2, 107784495), (3, 71856330), (5, 43113798), (6, 35928165), (7, 30795570), (9, 23952110), (10, 21556899), (13, 16582230), (14, 15397785), (15, 14371266), (18, 11976055), (21, 10265190), (26, 8291115), (30, 7185633), (35, 6159114), (39, 5527410), (42, 5132595), (45, 4790422), (63, 3421730), (65, 3316446), (70, 3079557), (78, 2763705), (90, 2395211), (91, 2368890), (105, 2053038), (117, 1842470), (126, 1710865), (130, 1658223), (182, 1184445), (195, 1105482), (210, 1026519), (234, 921235), (273, 789630), (315, 684346), (390, 552741), (455, 473778), (546, 394815), (585, 368494), (630, 342173), (819, 263210), (910, 236889), (1170, 184247), (1365, 157926), (1638, 131605), (2730, 78963), (4095, 52642), (8190, 26321)]