69984980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:529

約数の個数: 96

約数和(自身を含む): 172354560

約数和(自身を除く): 102369580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 457, 494, 589, 620, 806, 914, 988, 1178, 1235, 1612, 1828, 2015, 2285, 2356, 2470, 2945, 4030, 4570, 4940, 5890, 5941, 7657, 8060, 8683, 9140, 11780, 11882, 14167, 15314, 17366, 23764, 28334, 29705, 30628, 34732, 38285, 43415, 56668, 59410, 70835, 76570, 86830, 112879, 118820, 141670, 153140, 173660, 184171, 225758, 269173, 283340, 368342, 451516, 538346, 564395, 736684, 920855, 1076692, 1128790, 1345865, 1841710, 2257580, 2691730, 3499249, 3683420, 5383460, 6998498, 13996996, 17496245, 34992490, 69984980]

約数ペア:

[(1, 69984980), (2, 34992490), (4, 17496245), (5, 13996996), (10, 6998498), (13, 5383460), (19, 3683420), (20, 3499249), (26, 2691730), (31, 2257580), (38, 1841710), (52, 1345865), (62, 1128790), (65, 1076692), (76, 920855), (95, 736684), (124, 564395), (130, 538346), (155, 451516), (190, 368342), (247, 283340), (260, 269173), (310, 225758), (380, 184171), (403, 173660), (457, 153140), (494, 141670), (589, 118820), (620, 112879), (806, 86830), (914, 76570), (988, 70835), (1178, 59410), (1235, 56668), (1612, 43415), (1828, 38285), (2015, 34732), (2285, 30628), (2356, 29705), (2470, 28334), (2945, 23764), (4030, 17366), (4570, 15314), (4940, 14167), (5890, 11882), (5941, 11780), (7657, 9140), (8060, 8683)]