20178880080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{39161}}^1$

素因数の和:39309

約数の個数: 160

約数和(自身を含む): 66431283840

約数和(自身を除く): 46252403760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 113, 114, 120, 152, 190, 226, 228, 240, 285, 304, 339, 380, 452, 456, 565, 570, 678, 760, 904, 912, 1130, 1140, 1356, 1520, 1695, 1808, 2147, 2260, 2280, 2712, 3390, 4294, 4520, 4560, 5424, 6441, 6780, 8588, 9040, 10735, 12882, 13560, 17176, 21470, 25764, 27120, 32205, 34352, 39161, 42940, 51528, 64410, 78322, 85880, 103056, 117483, 128820, 156644, 171760, 195805, 234966, 257640, 313288, 391610, 469932, 515280, 587415, 626576, 744059, 783220, 939864, 1174830, 1488118, 1566440, 1879728, 2232177, 2349660, 2976236, 3132880, 3720295, 4425193, 4464354, 4699320, 5952472, 7440590, 8850386, 8928708, 9398640, 11160885, 11904944, 13275579, 14881180, 17700772, 17857416, 22125965, 22321770, 26551158, 29762360, 35401544, 35714832, 44251930, 44643540, 53102316, 59524720, 66377895, 70803088, 84078667, 88503860, 89287080, 106204632, 132755790, 168157334, 177007720, 178574160, 212409264, 252236001, 265511580, 336314668, 354015440, 420393335, 504472002, 531023160, 672629336, 840786670, 1008944004, 1062046320, 1261180005, 1345258672, 1681573340, 2017888008, 2522360010, 3363146680, 4035776016, 5044720020, 6726293360, 10089440040, 20178880080]

約数ペア:

[(1, 20178880080), (2, 10089440040), (3, 6726293360), (4, 5044720020), (5, 4035776016), (6, 3363146680), (8, 2522360010), (10, 2017888008), (12, 1681573340), (15, 1345258672), (16, 1261180005), (19, 1062046320), (20, 1008944004), (24, 840786670), (30, 672629336), (38, 531023160), (40, 504472002), (48, 420393335), (57, 354015440), (60, 336314668), (76, 265511580), (80, 252236001), (95, 212409264), (113, 178574160), (114, 177007720), (120, 168157334), (152, 132755790), (190, 106204632), (226, 89287080), (228, 88503860), (240, 84078667), (285, 70803088), (304, 66377895), (339, 59524720), (380, 53102316), (452, 44643540), (456, 44251930), (565, 35714832), (570, 35401544), (678, 29762360), (760, 26551158), (904, 22321770), (912, 22125965), (1130, 17857416), (1140, 17700772), (1356, 14881180), (1520, 13275579), (1695, 11904944), (1808, 11160885), (2147, 9398640), (2260, 8928708), (2280, 8850386), (2712, 7440590), (3390, 5952472), (4294, 4699320), (4520, 4464354), (4560, 4425193), (5424, 3720295), (6441, 3132880), (6780, 2976236), (8588, 2349660), (9040, 2232177), (10735, 1879728), (12882, 1566440), (13560, 1488118), (17176, 1174830), (21470, 939864), (25764, 783220), (27120, 744059), (32205, 626576), (34352, 587415), (39161, 515280), (42940, 469932), (51528, 391610), (64410, 313288), (78322, 257640), (85880, 234966), (103056, 195805), (117483, 171760), (128820, 156644)]