15678886820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1583}}^1\times {\mathrm{29131}}^1$

素因数の和:30740

約数の個数: 48

約数和(自身を含む): 34885686528

約数和(自身を除く): 19206799708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1583, 3166, 6332, 7915, 15830, 26911, 29131, 31660, 53822, 58262, 107644, 116524, 134555, 145655, 269110, 291310, 495227, 538220, 582620, 990454, 1980908, 2476135, 4952270, 9904540, 46114373, 92228746, 184457492, 230571865, 461143730, 783944341, 922287460, 1567888682, 3135777364, 3919721705, 7839443410, 15678886820]

約数ペア:

[(1, 15678886820), (2, 7839443410), (4, 3919721705), (5, 3135777364), (10, 1567888682), (17, 922287460), (20, 783944341), (34, 461143730), (68, 230571865), (85, 184457492), (170, 92228746), (340, 46114373), (1583, 9904540), (3166, 4952270), (6332, 2476135), (7915, 1980908), (15830, 990454), (26911, 582620), (29131, 538220), (31660, 495227), (53822, 291310), (58262, 269110), (107644, 145655), (116524, 134555)]