201519920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 160

約数和(自身を含む): 560964096

約数和(自身を除く): 359444176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 67, 70, 80, 82, 112, 131, 134, 140, 164, 205, 262, 268, 280, 287, 328, 335, 410, 469, 524, 536, 560, 574, 655, 656, 670, 820, 917, 938, 1048, 1072, 1148, 1310, 1340, 1435, 1640, 1834, 1876, 2096, 2296, 2345, 2620, 2680, 2747, 2870, 3280, 3668, 3752, 4585, 4592, 4690, 5240, 5360, 5371, 5494, 5740, 7336, 7504, 8777, 9170, 9380, 10480, 10742, 10988, 11480, 13735, 14672, 17554, 18340, 18760, 19229, 21484, 21976, 22960, 26855, 27470, 35108, 36680, 37520, 37597, 38458, 42968, 43885, 43952, 53710, 54940, 61439, 70216, 73360, 75194, 76916, 85936, 87770, 96145, 107420, 109880, 122878, 140432, 150388, 153832, 175540, 187985, 192290, 214840, 219760, 245756, 300776, 307195, 307664, 351080, 359857, 375970, 384580, 429680, 491512, 601552, 614390, 702160, 719714, 751940, 769160, 983024, 1228780, 1439428, 1503880, 1538320, 1799285, 2457560, 2518999, 2878856, 3007760, 3598570, 4915120, 5037998, 5757712, 7197140, 10075996, 12594995, 14394280, 20151992, 25189990, 28788560, 40303984, 50379980, 100759960, 201519920]

約数ペア:

[(1, 201519920), (2, 100759960), (4, 50379980), (5, 40303984), (7, 28788560), (8, 25189990), (10, 20151992), (14, 14394280), (16, 12594995), (20, 10075996), (28, 7197140), (35, 5757712), (40, 5037998), (41, 4915120), (56, 3598570), (67, 3007760), (70, 2878856), (80, 2518999), (82, 2457560), (112, 1799285), (131, 1538320), (134, 1503880), (140, 1439428), (164, 1228780), (205, 983024), (262, 769160), (268, 751940), (280, 719714), (287, 702160), (328, 614390), (335, 601552), (410, 491512), (469, 429680), (524, 384580), (536, 375970), (560, 359857), (574, 351080), (655, 307664), (656, 307195), (670, 300776), (820, 245756), (917, 219760), (938, 214840), (1048, 192290), (1072, 187985), (1148, 175540), (1310, 153832), (1340, 150388), (1435, 140432), (1640, 122878), (1834, 109880), (1876, 107420), (2096, 96145), (2296, 87770), (2345, 85936), (2620, 76916), (2680, 75194), (2747, 73360), (2870, 70216), (3280, 61439), (3668, 54940), (3752, 53710), (4585, 43952), (4592, 43885), (4690, 42968), (5240, 38458), (5360, 37597), (5371, 37520), (5494, 36680), (5740, 35108), (7336, 27470), (7504, 26855), (8777, 22960), (9170, 21976), (9380, 21484), (10480, 19229), (10742, 18760), (10988, 18340), (11480, 17554), (13735, 14672)]