2020368840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{1571}}^1$

素因数の和:3123

約数の個数: 128

約数和(自身を含む): 6935915520

約数和(自身を除く): 4915546680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1531, 1571, 3062, 3142, 4593, 4713, 6124, 6284, 7655, 7855, 9186, 9426, 10717, 10997, 12248, 12568, 15310, 15710, 18372, 18852, 21434, 21994, 22965, 23565, 30620, 31420, 32151, 32991, 36744, 37704, 42868, 43988, 45930, 47130, 53585, 54985, 61240, 62840, 64302, 65982, 85736, 87976, 91860, 94260, 107170, 109970, 128604, 131964, 160755, 164955, 183720, 188520, 214340, 219940, 257208, 263928, 321510, 329910, 428680, 439880, 643020, 659820, 1286040, 1319640, 2405201, 4810402, 7215603, 9620804, 12026005, 14431206, 16836407, 19241608, 24052010, 28862412, 33672814, 36078015, 48104020, 50509221, 57724824, 67345628, 72156030, 84182035, 96208040, 101018442, 134691256, 144312060, 168364070, 202036884, 252546105, 288624120, 336728140, 404073768, 505092210, 673456280, 1010184420, 2020368840]

約数ペア:

[(1, 2020368840), (2, 1010184420), (3, 673456280), (4, 505092210), (5, 404073768), (6, 336728140), (7, 288624120), (8, 252546105), (10, 202036884), (12, 168364070), (14, 144312060), (15, 134691256), (20, 101018442), (21, 96208040), (24, 84182035), (28, 72156030), (30, 67345628), (35, 57724824), (40, 50509221), (42, 48104020), (56, 36078015), (60, 33672814), (70, 28862412), (84, 24052010), (105, 19241608), (120, 16836407), (140, 14431206), (168, 12026005), (210, 9620804), (280, 7215603), (420, 4810402), (840, 2405201), (1531, 1319640), (1571, 1286040), (3062, 659820), (3142, 643020), (4593, 439880), (4713, 428680), (6124, 329910), (6284, 321510), (7655, 263928), (7855, 257208), (9186, 219940), (9426, 214340), (10717, 188520), (10997, 183720), (12248, 164955), (12568, 160755), (15310, 131964), (15710, 128604), (18372, 109970), (18852, 107170), (21434, 94260), (21994, 91860), (22965, 87976), (23565, 85736), (30620, 65982), (31420, 64302), (32151, 62840), (32991, 61240), (36744, 54985), (37704, 53585), (42868, 47130), (43988, 45930)]