15661544560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{21881}}^1$

素因数の和:22306

約数の個数: 80

約数和(自身を含む): 38095686720

約数和(自身を除く): 22434142160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 389, 460, 778, 920, 1556, 1840, 1945, 3112, 3890, 6224, 7780, 8947, 15560, 17894, 21881, 31120, 35788, 43762, 44735, 71576, 87524, 89470, 109405, 143152, 175048, 178940, 218810, 350096, 357880, 437620, 503263, 715760, 875240, 1006526, 1750480, 2013052, 2516315, 4026104, 5032630, 8052208, 8511709, 10065260, 17023418, 20130520, 34046836, 40261040, 42558545, 68093672, 85117090, 136187344, 170234180, 195769307, 340468360, 391538614, 680936720, 783077228, 978846535, 1566154456, 1957693070, 3132308912, 3915386140, 7830772280, 15661544560]

約数ペア:

[(1, 15661544560), (2, 7830772280), (4, 3915386140), (5, 3132308912), (8, 1957693070), (10, 1566154456), (16, 978846535), (20, 783077228), (23, 680936720), (40, 391538614), (46, 340468360), (80, 195769307), (92, 170234180), (115, 136187344), (184, 85117090), (230, 68093672), (368, 42558545), (389, 40261040), (460, 34046836), (778, 20130520), (920, 17023418), (1556, 10065260), (1840, 8511709), (1945, 8052208), (3112, 5032630), (3890, 4026104), (6224, 2516315), (7780, 2013052), (8947, 1750480), (15560, 1006526), (17894, 875240), (21881, 715760), (31120, 503263), (35788, 437620), (43762, 357880), (44735, 350096), (71576, 218810), (87524, 178940), (89470, 175048), (109405, 143152)]