1639383840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19973}}^1$

素因数の和:20016

約数の個数: 192

約数和(自身を含む): 6040137600

約数和(自身を除く): 4400753760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 16416, 19973, 20520, 27360, 39946, 41040, 59919, 79892, 82080, 99865, 119838, 159784, 179757, 199730, 239676, 299595, 319568, 359514, 379487, 399460, 479352, 539271, 599190, 639136, 719028, 758974, 798920, 898785, 958704, 1078542, 1138461, 1198380, 1438056, 1517948, 1597840, 1797570, 1897435, 1917408, 2157084, 2276922, 2396760, 2696355, 2876112, 3035896, 3195680, 3415383, 3595140, 3794870, 4314168, 4553844, 4793520, 5392710, 5692305, 5752224, 6071792, 6830766, 7190280, 7589740, 8628336, 9107688, 9587040, 10246149, 10785420, 11384610, 12143584, 13661532, 14380560, 15179480, 17076915, 17256672, 18215376, 20492298, 21570840, 22769220, 27323064, 28761120, 30358960, 34153830, 36430752, 40984596, 43141680, 45538440, 51230745, 54646128, 60717920, 68307660, 81969192, 86283360, 91076880, 102461490, 109292256, 136615320, 163938384, 182153760, 204922980, 273230640, 327876768, 409845960, 546461280, 819691920, 1639383840]

約数ペア:

[(1, 1639383840), (2, 819691920), (3, 546461280), (4, 409845960), (5, 327876768), (6, 273230640), (8, 204922980), (9, 182153760), (10, 163938384), (12, 136615320), (15, 109292256), (16, 102461490), (18, 91076880), (19, 86283360), (20, 81969192), (24, 68307660), (27, 60717920), (30, 54646128), (32, 51230745), (36, 45538440), (38, 43141680), (40, 40984596), (45, 36430752), (48, 34153830), (54, 30358960), (57, 28761120), (60, 27323064), (72, 22769220), (76, 21570840), (80, 20492298), (90, 18215376), (95, 17256672), (96, 17076915), (108, 15179480), (114, 14380560), (120, 13661532), (135, 12143584), (144, 11384610), (152, 10785420), (160, 10246149), (171, 9587040), (180, 9107688), (190, 8628336), (216, 7589740), (228, 7190280), (240, 6830766), (270, 6071792), (285, 5752224), (288, 5692305), (304, 5392710), (342, 4793520), (360, 4553844), (380, 4314168), (432, 3794870), (456, 3595140), (480, 3415383), (513, 3195680), (540, 3035896), (570, 2876112), (608, 2696355), (684, 2396760), (720, 2276922), (760, 2157084), (855, 1917408), (864, 1897435), (912, 1797570), (1026, 1597840), (1080, 1517948), (1140, 1438056), (1368, 1198380), (1440, 1138461), (1520, 1078542), (1710, 958704), (1824, 898785), (2052, 798920), (2160, 758974), (2280, 719028), (2565, 639136), (2736, 599190), (3040, 539271), (3420, 479352), (4104, 399460), (4320, 379487), (4560, 359514), (5130, 319568), (5472, 299595), (6840, 239676), (8208, 199730), (9120, 179757), (10260, 159784), (13680, 119838), (16416, 99865), (19973, 82080), (20520, 79892), (27360, 59919), (39946, 41040)]