15551415980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{4159}}^1$

素因数の和:4399

約数の個数: 96

約数和(自身を含む): 34843361280

約数和(自身を除く): 19291945300

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 163, 185, 310, 326, 370, 620, 652, 740, 815, 1147, 1630, 2294, 3260, 4159, 4588, 5053, 5735, 6031, 8318, 10106, 11470, 12062, 16636, 20212, 20795, 22940, 24124, 25265, 30155, 41590, 50530, 60310, 83180, 101060, 120620, 128929, 153883, 186961, 257858, 307766, 373922, 515716, 615532, 644645, 677917, 747844, 769415, 934805, 1289290, 1355834, 1538830, 1869610, 2578580, 2711668, 3077660, 3389585, 3739220, 4770373, 6779170, 9540746, 13558340, 19081492, 21015427, 23851865, 25082929, 42030854, 47703730, 50165858, 84061708, 95407460, 100331716, 105077135, 125414645, 210154270, 250829290, 420308540, 501658580, 777570799, 1555141598, 3110283196, 3887853995, 7775707990, 15551415980]

約数ペア:

[(1, 15551415980), (2, 7775707990), (4, 3887853995), (5, 3110283196), (10, 1555141598), (20, 777570799), (31, 501658580), (37, 420308540), (62, 250829290), (74, 210154270), (124, 125414645), (148, 105077135), (155, 100331716), (163, 95407460), (185, 84061708), (310, 50165858), (326, 47703730), (370, 42030854), (620, 25082929), (652, 23851865), (740, 21015427), (815, 19081492), (1147, 13558340), (1630, 9540746), (2294, 6779170), (3260, 4770373), (4159, 3739220), (4588, 3389585), (5053, 3077660), (5735, 2711668), (6031, 2578580), (8318, 1869610), (10106, 1538830), (11470, 1355834), (12062, 1289290), (16636, 934805), (20212, 769415), (20795, 747844), (22940, 677917), (24124, 644645), (25265, 615532), (30155, 515716), (41590, 373922), (50530, 307766), (60310, 257858), (83180, 186961), (101060, 153883), (120620, 128929)]