81568590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 209959776

約数和(自身を除く): 128391186

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 53, 58, 61, 87, 106, 122, 145, 159, 174, 183, 265, 290, 305, 318, 366, 435, 530, 610, 795, 841, 870, 915, 1537, 1590, 1682, 1769, 1830, 2523, 3074, 3233, 3538, 4205, 4611, 5046, 5307, 6466, 7685, 8410, 8845, 9222, 9699, 10614, 12615, 15370, 16165, 17690, 19398, 23055, 25230, 26535, 32330, 44573, 46110, 48495, 51301, 53070, 89146, 93757, 96990, 102602, 133719, 153903, 187514, 222865, 256505, 267438, 281271, 307806, 445730, 468785, 513010, 562542, 668595, 769515, 937570, 1337190, 1406355, 1539030, 2718953, 2812710, 5437906, 8156859, 13594765, 16313718, 27189530, 40784295, 81568590]

約数ペア:

[(1, 81568590), (2, 40784295), (3, 27189530), (5, 16313718), (6, 13594765), (10, 8156859), (15, 5437906), (29, 2812710), (30, 2718953), (53, 1539030), (58, 1406355), (61, 1337190), (87, 937570), (106, 769515), (122, 668595), (145, 562542), (159, 513010), (174, 468785), (183, 445730), (265, 307806), (290, 281271), (305, 267438), (318, 256505), (366, 222865), (435, 187514), (530, 153903), (610, 133719), (795, 102602), (841, 96990), (870, 93757), (915, 89146), (1537, 53070), (1590, 51301), (1682, 48495), (1769, 46110), (1830, 44573), (2523, 32330), (3074, 26535), (3233, 25230), (3538, 23055), (4205, 19398), (4611, 17690), (5046, 16165), (5307, 15370), (6466, 12615), (7685, 10614), (8410, 9699), (8845, 9222)]