64447884

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 184504320

約数和(自身を除く): 120056436

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 43, 51, 62, 68, 79, 86, 93, 102, 124, 129, 153, 158, 172, 186, 204, 237, 258, 279, 306, 316, 372, 387, 474, 516, 527, 558, 612, 711, 731, 774, 948, 1054, 1116, 1333, 1343, 1422, 1462, 1548, 1581, 2108, 2193, 2449, 2666, 2686, 2844, 2924, 3162, 3397, 3999, 4029, 4386, 4743, 4898, 5332, 5372, 6324, 6579, 6794, 7347, 7998, 8058, 8772, 9486, 9796, 10191, 11997, 12087, 13158, 13588, 14694, 15996, 16116, 18972, 20382, 22041, 22661, 23994, 24174, 26316, 29388, 30573, 40764, 41633, 44082, 45322, 47988, 48348, 57749, 61146, 67983, 83266, 88164, 90644, 105307, 115498, 122292, 124899, 135966, 166532, 173247, 203949, 210614, 230996, 249798, 271932, 315921, 346494, 374697, 407898, 421228, 499596, 519741, 631842, 692988, 749394, 815796, 947763, 1039482, 1263684, 1498788, 1790219, 1895526, 2078964, 3580438, 3791052, 5370657, 7160876, 10741314, 16111971, 21482628, 32223942, 64447884]

約数ペア:

[(1, 64447884), (2, 32223942), (3, 21482628), (4, 16111971), (6, 10741314), (9, 7160876), (12, 5370657), (17, 3791052), (18, 3580438), (31, 2078964), (34, 1895526), (36, 1790219), (43, 1498788), (51, 1263684), (62, 1039482), (68, 947763), (79, 815796), (86, 749394), (93, 692988), (102, 631842), (124, 519741), (129, 499596), (153, 421228), (158, 407898), (172, 374697), (186, 346494), (204, 315921), (237, 271932), (258, 249798), (279, 230996), (306, 210614), (316, 203949), (372, 173247), (387, 166532), (474, 135966), (516, 124899), (527, 122292), (558, 115498), (612, 105307), (711, 90644), (731, 88164), (774, 83266), (948, 67983), (1054, 61146), (1116, 57749), (1333, 48348), (1343, 47988), (1422, 45322), (1462, 44082), (1548, 41633), (1581, 40764), (2108, 30573), (2193, 29388), (2449, 26316), (2666, 24174), (2686, 23994), (2844, 22661), (2924, 22041), (3162, 20382), (3397, 18972), (3999, 16116), (4029, 15996), (4386, 14694), (4743, 13588), (4898, 13158), (5332, 12087), (5372, 11997), (6324, 10191), (6579, 9796), (6794, 9486), (7347, 8772), (7998, 8058)]