201208980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{839}}^1$

素因数の和:1429

約数の個数: 96

約数和(自身を含む): 645765120

約数和(自身を除く): 444556140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 571, 839, 1142, 1678, 1713, 2284, 2517, 2855, 3356, 3426, 3997, 4195, 5034, 5710, 5873, 6852, 7994, 8390, 8565, 10068, 11420, 11746, 11991, 12585, 15988, 16780, 17130, 17619, 19985, 23492, 23982, 25170, 29365, 34260, 35238, 39970, 47964, 50340, 58730, 59955, 70476, 79940, 88095, 117460, 119910, 176190, 239820, 352380, 479069, 958138, 1437207, 1916276, 2395345, 2874414, 3353483, 4790690, 5748828, 6706966, 7186035, 9581380, 10060449, 13413932, 14372070, 16767415, 20120898, 28744140, 33534830, 40241796, 50302245, 67069660, 100604490, 201208980]

約数ペア:

[(1, 201208980), (2, 100604490), (3, 67069660), (4, 50302245), (5, 40241796), (6, 33534830), (7, 28744140), (10, 20120898), (12, 16767415), (14, 14372070), (15, 13413932), (20, 10060449), (21, 9581380), (28, 7186035), (30, 6706966), (35, 5748828), (42, 4790690), (60, 3353483), (70, 2874414), (84, 2395345), (105, 1916276), (140, 1437207), (210, 958138), (420, 479069), (571, 352380), (839, 239820), (1142, 176190), (1678, 119910), (1713, 117460), (2284, 88095), (2517, 79940), (2855, 70476), (3356, 59955), (3426, 58730), (3997, 50340), (4195, 47964), (5034, 39970), (5710, 35238), (5873, 34260), (6852, 29365), (7994, 25170), (8390, 23982), (8565, 23492), (10068, 19985), (11420, 17619), (11746, 17130), (11991, 16780), (12585, 15988)]