638185680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4241}}^1$

素因数の和:4290

約数の個数: 240

約数和(自身を含む): 2461717440

約数和(自身を除く): 1823531760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 396, 418, 440, 456, 495, 528, 570, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1140, 1254, 1320, 1368, 1520, 1584, 1672, 1710, 1881, 1980, 2090, 2280, 2508, 2640, 2736, 3135, 3344, 3420, 3762, 3960, 4180, 4241, 4560, 5016, 6270, 6840, 7524, 7920, 8360, 8482, 9405, 10032, 12540, 12723, 13680, 15048, 16720, 16964, 18810, 21205, 25080, 25446, 30096, 33928, 37620, 38169, 42410, 46651, 50160, 50892, 63615, 67856, 75240, 76338, 80579, 84820, 93302, 101784, 127230, 139953, 150480, 152676, 161158, 169640, 186604, 190845, 203568, 233255, 241737, 254460, 279906, 305352, 322316, 339280, 373208, 381690, 402895, 419859, 466510, 483474, 508920, 559812, 610704, 644632, 699765, 725211, 746416, 763380, 805790, 839718, 886369, 933020, 966948, 1017840, 1119624, 1208685, 1289264, 1399530, 1450422, 1526760, 1611580, 1679436, 1772738, 1866040, 1933896, 2099295, 2239248, 2417370, 2659107, 2799060, 2900844, 3053520, 3223160, 3358872, 3545476, 3626055, 3732080, 3867792, 4198590, 4431845, 4834740, 5318214, 5598120, 5801688, 6446320, 6717744, 7090952, 7252110, 7977321, 8397180, 8863690, 9669480, 10636428, 11196240, 11603376, 13295535, 14181904, 14504220, 15954642, 16794360, 17727380, 19338960, 21272856, 26591070, 29008440, 31909284, 33588720, 35454760, 39886605, 42545712, 53182140, 58016880, 63818568, 70909520, 79773210, 106364280, 127637136, 159546420, 212728560, 319092840, 638185680]

約数ペア:

[(1, 638185680), (2, 319092840), (3, 212728560), (4, 159546420), (5, 127637136), (6, 106364280), (8, 79773210), (9, 70909520), (10, 63818568), (11, 58016880), (12, 53182140), (15, 42545712), (16, 39886605), (18, 35454760), (19, 33588720), (20, 31909284), (22, 29008440), (24, 26591070), (30, 21272856), (33, 19338960), (36, 17727380), (38, 16794360), (40, 15954642), (44, 14504220), (45, 14181904), (48, 13295535), (55, 11603376), (57, 11196240), (60, 10636428), (66, 9669480), (72, 8863690), (76, 8397180), (80, 7977321), (88, 7252110), (90, 7090952), (95, 6717744), (99, 6446320), (110, 5801688), (114, 5598120), (120, 5318214), (132, 4834740), (144, 4431845), (152, 4198590), (165, 3867792), (171, 3732080), (176, 3626055), (180, 3545476), (190, 3358872), (198, 3223160), (209, 3053520), (220, 2900844), (228, 2799060), (240, 2659107), (264, 2417370), (285, 2239248), (304, 2099295), (330, 1933896), (342, 1866040), (360, 1772738), (380, 1679436), (396, 1611580), (418, 1526760), (440, 1450422), (456, 1399530), (495, 1289264), (528, 1208685), (570, 1119624), (627, 1017840), (660, 966948), (684, 933020), (720, 886369), (760, 839718), (792, 805790), (836, 763380), (855, 746416), (880, 725211), (912, 699765), (990, 644632), (1045, 610704), (1140, 559812), (1254, 508920), (1320, 483474), (1368, 466510), (1520, 419859), (1584, 402895), (1672, 381690), (1710, 373208), (1881, 339280), (1980, 322316), (2090, 305352), (2280, 279906), (2508, 254460), (2640, 241737), (2736, 233255), (3135, 203568), (3344, 190845), (3420, 186604), (3762, 169640), (3960, 161158), (4180, 152676), (4241, 150480), (4560, 139953), (5016, 127230), (6270, 101784), (6840, 93302), (7524, 84820), (7920, 80579), (8360, 76338), (8482, 75240), (9405, 67856), (10032, 63615), (12540, 50892), (12723, 50160), (13680, 46651), (15048, 42410), (16720, 38169), (16964, 37620), (18810, 33928), (21205, 30096), (25080, 25446)]