87681960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4273}}^1$

素因数の和:4312

約数の個数: 128

約数和(自身を含む): 307728000

約数和(自身を除く): 220046040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 4273, 5130, 6840, 8546, 10260, 12819, 17092, 20520, 21365, 25638, 34184, 38457, 42730, 51276, 64095, 76914, 81187, 85460, 102552, 115371, 128190, 153828, 162374, 170920, 192285, 230742, 243561, 256380, 307656, 324748, 384570, 405935, 461484, 487122, 512760, 576855, 649496, 730683, 769140, 811870, 922968, 974244, 1153710, 1217805, 1461366, 1538280, 1623740, 1948488, 2192049, 2307420, 2435610, 2922732, 3247480, 3653415, 4384098, 4614840, 4871220, 5845464, 7306830, 8768196, 9742440, 10960245, 14613660, 17536392, 21920490, 29227320, 43840980, 87681960]

約数ペア:

[(1, 87681960), (2, 43840980), (3, 29227320), (4, 21920490), (5, 17536392), (6, 14613660), (8, 10960245), (9, 9742440), (10, 8768196), (12, 7306830), (15, 5845464), (18, 4871220), (19, 4614840), (20, 4384098), (24, 3653415), (27, 3247480), (30, 2922732), (36, 2435610), (38, 2307420), (40, 2192049), (45, 1948488), (54, 1623740), (57, 1538280), (60, 1461366), (72, 1217805), (76, 1153710), (90, 974244), (95, 922968), (108, 811870), (114, 769140), (120, 730683), (135, 649496), (152, 576855), (171, 512760), (180, 487122), (190, 461484), (216, 405935), (228, 384570), (270, 324748), (285, 307656), (342, 256380), (360, 243561), (380, 230742), (456, 192285), (513, 170920), (540, 162374), (570, 153828), (684, 128190), (760, 115371), (855, 102552), (1026, 85460), (1080, 81187), (1140, 76914), (1368, 64095), (1710, 51276), (2052, 42730), (2280, 38457), (2565, 34184), (3420, 25638), (4104, 21365), (4273, 20520), (5130, 17092), (6840, 12819), (8546, 10260)]