16778520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 62899200

約数和(自身を除く): 46120680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 220, 223, 228, 264, 285, 330, 342, 360, 380, 396, 418, 440, 446, 456, 495, 570, 627, 660, 669, 684, 760, 792, 836, 855, 892, 990, 1045, 1115, 1140, 1254, 1320, 1338, 1368, 1672, 1710, 1784, 1881, 1980, 2007, 2090, 2230, 2280, 2453, 2508, 2676, 3135, 3345, 3420, 3762, 3960, 4014, 4180, 4237, 4460, 4906, 5016, 5352, 6270, 6690, 6840, 7359, 7524, 8028, 8360, 8474, 8920, 9405, 9812, 10035, 12265, 12540, 12711, 13380, 14718, 15048, 16056, 16948, 18810, 19624, 20070, 21185, 22077, 24530, 25080, 25422, 26760, 29436, 33896, 36795, 37620, 38133, 40140, 42370, 44154, 46607, 49060, 50844, 58872, 63555, 73590, 75240, 76266, 80280, 84740, 88308, 93214, 98120, 101688, 110385, 127110, 139821, 147180, 152532, 169480, 176616, 186428, 190665, 220770, 233035, 254220, 279642, 294360, 305064, 372856, 381330, 419463, 441540, 466070, 508440, 559284, 699105, 762660, 838926, 883080, 932140, 1118568, 1398210, 1525320, 1677852, 1864280, 2097315, 2796420, 3355704, 4194630, 5592840, 8389260, 16778520]

約数ペア:

[(1, 16778520), (2, 8389260), (3, 5592840), (4, 4194630), (5, 3355704), (6, 2796420), (8, 2097315), (9, 1864280), (10, 1677852), (11, 1525320), (12, 1398210), (15, 1118568), (18, 932140), (19, 883080), (20, 838926), (22, 762660), (24, 699105), (30, 559284), (33, 508440), (36, 466070), (38, 441540), (40, 419463), (44, 381330), (45, 372856), (55, 305064), (57, 294360), (60, 279642), (66, 254220), (72, 233035), (76, 220770), (88, 190665), (90, 186428), (95, 176616), (99, 169480), (110, 152532), (114, 147180), (120, 139821), (132, 127110), (152, 110385), (165, 101688), (171, 98120), (180, 93214), (190, 88308), (198, 84740), (209, 80280), (220, 76266), (223, 75240), (228, 73590), (264, 63555), (285, 58872), (330, 50844), (342, 49060), (360, 46607), (380, 44154), (396, 42370), (418, 40140), (440, 38133), (446, 37620), (456, 36795), (495, 33896), (570, 29436), (627, 26760), (660, 25422), (669, 25080), (684, 24530), (760, 22077), (792, 21185), (836, 20070), (855, 19624), (892, 18810), (990, 16948), (1045, 16056), (1115, 15048), (1140, 14718), (1254, 13380), (1320, 12711), (1338, 12540), (1368, 12265), (1672, 10035), (1710, 9812), (1784, 9405), (1881, 8920), (1980, 8474), (2007, 8360), (2090, 8028), (2230, 7524), (2280, 7359), (2453, 6840), (2508, 6690), (2676, 6270), (3135, 5352), (3345, 5016), (3420, 4906), (3762, 4460), (3960, 4237), (4014, 4180)]