72728136

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 219819600

約数和(自身を除く): 147091464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 43, 52, 72, 78, 86, 104, 117, 129, 139, 156, 169, 172, 234, 258, 278, 312, 338, 344, 387, 417, 468, 507, 516, 556, 559, 676, 774, 834, 936, 1014, 1032, 1112, 1118, 1251, 1352, 1521, 1548, 1668, 1677, 1807, 2028, 2236, 2502, 3042, 3096, 3336, 3354, 3614, 4056, 4472, 5004, 5031, 5421, 5977, 6084, 6708, 7228, 7267, 10008, 10062, 10842, 11954, 12168, 13416, 14456, 14534, 16263, 17931, 20124, 21684, 21801, 23491, 23908, 29068, 32526, 35862, 40248, 43368, 43602, 46982, 47816, 53793, 58136, 65052, 65403, 70473, 71724, 77701, 87204, 93964, 107586, 130104, 130806, 140946, 143448, 155402, 174408, 187928, 211419, 215172, 233103, 261612, 281892, 310804, 422838, 430344, 466206, 523224, 563784, 621608, 699309, 845676, 932412, 1010113, 1398618, 1691352, 1864824, 2020226, 2797236, 3030339, 4040452, 5594472, 6060678, 8080904, 9091017, 12121356, 18182034, 24242712, 36364068, 72728136]

約数ペア:

[(1, 72728136), (2, 36364068), (3, 24242712), (4, 18182034), (6, 12121356), (8, 9091017), (9, 8080904), (12, 6060678), (13, 5594472), (18, 4040452), (24, 3030339), (26, 2797236), (36, 2020226), (39, 1864824), (43, 1691352), (52, 1398618), (72, 1010113), (78, 932412), (86, 845676), (104, 699309), (117, 621608), (129, 563784), (139, 523224), (156, 466206), (169, 430344), (172, 422838), (234, 310804), (258, 281892), (278, 261612), (312, 233103), (338, 215172), (344, 211419), (387, 187928), (417, 174408), (468, 155402), (507, 143448), (516, 140946), (556, 130806), (559, 130104), (676, 107586), (774, 93964), (834, 87204), (936, 77701), (1014, 71724), (1032, 70473), (1112, 65403), (1118, 65052), (1251, 58136), (1352, 53793), (1521, 47816), (1548, 46982), (1668, 43602), (1677, 43368), (1807, 40248), (2028, 35862), (2236, 32526), (2502, 29068), (3042, 23908), (3096, 23491), (3336, 21801), (3354, 21684), (3614, 20124), (4056, 17931), (4472, 16263), (5004, 14534), (5031, 14456), (5421, 13416), (5977, 12168), (6084, 11954), (6708, 10842), (7228, 10062), (7267, 10008)]