16913820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{523}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 60213888

約数和(自身を除く): 43300068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 523, 539, 588, 660, 735, 770, 924, 980, 1046, 1078, 1155, 1470, 1540, 1569, 1617, 2092, 2156, 2310, 2615, 2695, 2940, 3138, 3234, 3661, 4620, 5230, 5390, 5753, 6276, 6468, 7322, 7845, 8085, 10460, 10780, 10983, 11506, 14644, 15690, 16170, 17259, 18305, 21966, 23012, 25627, 28765, 31380, 32340, 34518, 36610, 40271, 43932, 51254, 54915, 57530, 69036, 73220, 76881, 80542, 86295, 102508, 109830, 115060, 120813, 128135, 153762, 161084, 172590, 201355, 219660, 241626, 256270, 281897, 307524, 345180, 384405, 402710, 483252, 512540, 563794, 604065, 768810, 805420, 845691, 1127588, 1208130, 1409485, 1537620, 1691382, 2416260, 2818970, 3382764, 4228455, 5637940, 8456910, 16913820]

約数ペア:

[(1, 16913820), (2, 8456910), (3, 5637940), (4, 4228455), (5, 3382764), (6, 2818970), (7, 2416260), (10, 1691382), (11, 1537620), (12, 1409485), (14, 1208130), (15, 1127588), (20, 845691), (21, 805420), (22, 768810), (28, 604065), (30, 563794), (33, 512540), (35, 483252), (42, 402710), (44, 384405), (49, 345180), (55, 307524), (60, 281897), (66, 256270), (70, 241626), (77, 219660), (84, 201355), (98, 172590), (105, 161084), (110, 153762), (132, 128135), (140, 120813), (147, 115060), (154, 109830), (165, 102508), (196, 86295), (210, 80542), (220, 76881), (231, 73220), (245, 69036), (294, 57530), (308, 54915), (330, 51254), (385, 43932), (420, 40271), (462, 36610), (490, 34518), (523, 32340), (539, 31380), (588, 28765), (660, 25627), (735, 23012), (770, 21966), (924, 18305), (980, 17259), (1046, 16170), (1078, 15690), (1155, 14644), (1470, 11506), (1540, 10983), (1569, 10780), (1617, 10460), (2092, 8085), (2156, 7845), (2310, 7322), (2615, 6468), (2695, 6276), (2940, 5753), (3138, 5390), (3234, 5230), (3661, 4620)]