420997920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1171}}^1$

素因数の和:1303

約数の個数: 192

約数和(自身を含む): 1531063296

約数和(自身を除く): 1110065376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 107, 112, 120, 140, 160, 168, 210, 214, 224, 240, 280, 321, 336, 420, 428, 480, 535, 560, 642, 672, 749, 840, 856, 1070, 1120, 1171, 1284, 1498, 1605, 1680, 1712, 2140, 2247, 2342, 2568, 2996, 3210, 3360, 3424, 3513, 3745, 4280, 4494, 4684, 5136, 5855, 5992, 6420, 7026, 7490, 8197, 8560, 8988, 9368, 10272, 11235, 11710, 11984, 12840, 14052, 14980, 16394, 17120, 17565, 17976, 18736, 22470, 23420, 23968, 24591, 25680, 28104, 29960, 32788, 35130, 35952, 37472, 40985, 44940, 46840, 49182, 51360, 56208, 59920, 65576, 70260, 71904, 81970, 89880, 93680, 98364, 112416, 119840, 122955, 125297, 131152, 140520, 163940, 179760, 187360, 196728, 245910, 250594, 262304, 281040, 327880, 359520, 375891, 393456, 491820, 501188, 562080, 626485, 655760, 751782, 786912, 877079, 983640, 1002376, 1252970, 1311520, 1503564, 1754158, 1879455, 1967280, 2004752, 2505940, 2631237, 3007128, 3508316, 3758910, 3934560, 4009504, 4385395, 5011880, 5262474, 6014256, 7016632, 7517820, 8770790, 10023760, 10524948, 12028512, 13156185, 14033264, 15035640, 17541580, 20047520, 21049896, 26312370, 28066528, 30071280, 35083160, 42099792, 52624740, 60142560, 70166320, 84199584, 105249480, 140332640, 210498960, 420997920]

約数ペア:

[(1, 420997920), (2, 210498960), (3, 140332640), (4, 105249480), (5, 84199584), (6, 70166320), (7, 60142560), (8, 52624740), (10, 42099792), (12, 35083160), (14, 30071280), (15, 28066528), (16, 26312370), (20, 21049896), (21, 20047520), (24, 17541580), (28, 15035640), (30, 14033264), (32, 13156185), (35, 12028512), (40, 10524948), (42, 10023760), (48, 8770790), (56, 7517820), (60, 7016632), (70, 6014256), (80, 5262474), (84, 5011880), (96, 4385395), (105, 4009504), (107, 3934560), (112, 3758910), (120, 3508316), (140, 3007128), (160, 2631237), (168, 2505940), (210, 2004752), (214, 1967280), (224, 1879455), (240, 1754158), (280, 1503564), (321, 1311520), (336, 1252970), (420, 1002376), (428, 983640), (480, 877079), (535, 786912), (560, 751782), (642, 655760), (672, 626485), (749, 562080), (840, 501188), (856, 491820), (1070, 393456), (1120, 375891), (1171, 359520), (1284, 327880), (1498, 281040), (1605, 262304), (1680, 250594), (1712, 245910), (2140, 196728), (2247, 187360), (2342, 179760), (2568, 163940), (2996, 140520), (3210, 131152), (3360, 125297), (3424, 122955), (3513, 119840), (3745, 112416), (4280, 98364), (4494, 93680), (4684, 89880), (5136, 81970), (5855, 71904), (5992, 70260), (6420, 65576), (7026, 59920), (7490, 56208), (8197, 51360), (8560, 49182), (8988, 46840), (9368, 44940), (10272, 40985), (11235, 37472), (11710, 35952), (11984, 35130), (12840, 32788), (14052, 29960), (14980, 28104), (16394, 25680), (17120, 24591), (17565, 23968), (17976, 23420), (18736, 22470)]