220455480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{727}}^1$

素因数の和:786

約数の個数: 192

約数和(自身を含む): 798819840

約数和(自身を除く): 578364360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 361, 380, 399, 420, 456, 532, 570, 665, 722, 727, 760, 798, 840, 1064, 1083, 1140, 1330, 1444, 1454, 1596, 1805, 1995, 2166, 2181, 2280, 2527, 2660, 2888, 2908, 3192, 3610, 3635, 3990, 4332, 4362, 5054, 5089, 5320, 5415, 5816, 7220, 7270, 7581, 7980, 8664, 8724, 10108, 10178, 10830, 10905, 12635, 13813, 14440, 14540, 15162, 15267, 15960, 17448, 20216, 20356, 21660, 21810, 25270, 25445, 27626, 29080, 30324, 30534, 37905, 40712, 41439, 43320, 43620, 50540, 50890, 55252, 60648, 61068, 69065, 75810, 76335, 82878, 87240, 96691, 101080, 101780, 110504, 122136, 138130, 151620, 152670, 165756, 193382, 203560, 207195, 262447, 276260, 290073, 303240, 305340, 331512, 386764, 414390, 483455, 524894, 552520, 580146, 610680, 773528, 787341, 828780, 966910, 1049788, 1160292, 1312235, 1450365, 1574682, 1657560, 1837129, 1933820, 2099576, 2320584, 2624470, 2900730, 3149364, 3674258, 3867640, 3936705, 5248940, 5511387, 5801460, 6298728, 7348516, 7873410, 9185645, 10497880, 11022774, 11602920, 14697032, 15746820, 18371290, 22045548, 27556935, 31493640, 36742580, 44091096, 55113870, 73485160, 110227740, 220455480]

約数ペア:

[(1, 220455480), (2, 110227740), (3, 73485160), (4, 55113870), (5, 44091096), (6, 36742580), (7, 31493640), (8, 27556935), (10, 22045548), (12, 18371290), (14, 15746820), (15, 14697032), (19, 11602920), (20, 11022774), (21, 10497880), (24, 9185645), (28, 7873410), (30, 7348516), (35, 6298728), (38, 5801460), (40, 5511387), (42, 5248940), (56, 3936705), (57, 3867640), (60, 3674258), (70, 3149364), (76, 2900730), (84, 2624470), (95, 2320584), (105, 2099576), (114, 1933820), (120, 1837129), (133, 1657560), (140, 1574682), (152, 1450365), (168, 1312235), (190, 1160292), (210, 1049788), (228, 966910), (266, 828780), (280, 787341), (285, 773528), (361, 610680), (380, 580146), (399, 552520), (420, 524894), (456, 483455), (532, 414390), (570, 386764), (665, 331512), (722, 305340), (727, 303240), (760, 290073), (798, 276260), (840, 262447), (1064, 207195), (1083, 203560), (1140, 193382), (1330, 165756), (1444, 152670), (1454, 151620), (1596, 138130), (1805, 122136), (1995, 110504), (2166, 101780), (2181, 101080), (2280, 96691), (2527, 87240), (2660, 82878), (2888, 76335), (2908, 75810), (3192, 69065), (3610, 61068), (3635, 60648), (3990, 55252), (4332, 50890), (4362, 50540), (5054, 43620), (5089, 43320), (5320, 41439), (5415, 40712), (5816, 37905), (7220, 30534), (7270, 30324), (7581, 29080), (7980, 27626), (8664, 25445), (8724, 25270), (10108, 21810), (10178, 21660), (10830, 20356), (10905, 20216), (12635, 17448), (13813, 15960), (14440, 15267), (14540, 15162)]