71805760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 112

約数和(自身を含む): 189079632

約数和(自身を除く): 117273872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 320, 328, 410, 416, 421, 520, 533, 656, 820, 832, 842, 1040, 1066, 1312, 1640, 1684, 2080, 2105, 2132, 2624, 2665, 3280, 3368, 4160, 4210, 4264, 5330, 5473, 6560, 6736, 8420, 8528, 10660, 10946, 13120, 13472, 16840, 17056, 17261, 21320, 21892, 26944, 27365, 33680, 34112, 34522, 42640, 43784, 54730, 67360, 69044, 85280, 86305, 87568, 109460, 134720, 138088, 170560, 172610, 175136, 218920, 224393, 276176, 345220, 350272, 437840, 448786, 552352, 690440, 875680, 897572, 1104704, 1121965, 1380880, 1751360, 1795144, 2243930, 2761760, 3590288, 4487860, 5523520, 7180576, 8975720, 14361152, 17951440, 35902880, 71805760]

約数ペア:

[(1, 71805760), (2, 35902880), (4, 17951440), (5, 14361152), (8, 8975720), (10, 7180576), (13, 5523520), (16, 4487860), (20, 3590288), (26, 2761760), (32, 2243930), (40, 1795144), (41, 1751360), (52, 1380880), (64, 1121965), (65, 1104704), (80, 897572), (82, 875680), (104, 690440), (130, 552352), (160, 448786), (164, 437840), (205, 350272), (208, 345220), (260, 276176), (320, 224393), (328, 218920), (410, 175136), (416, 172610), (421, 170560), (520, 138088), (533, 134720), (656, 109460), (820, 87568), (832, 86305), (842, 85280), (1040, 69044), (1066, 67360), (1312, 54730), (1640, 43784), (1684, 42640), (2080, 34522), (2105, 34112), (2132, 33680), (2624, 27365), (2665, 26944), (3280, 21892), (3368, 21320), (4160, 17261), (4210, 17056), (4264, 16840), (5330, 13472), (5473, 13120), (6560, 10946), (6736, 10660), (8420, 8528)]