77413980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 192

約数和(自身を含む): 266112000

約数和(自身を除く): 188698020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 89, 95, 105, 109, 114, 133, 140, 178, 190, 210, 218, 228, 266, 267, 285, 327, 356, 380, 399, 420, 436, 445, 532, 534, 545, 570, 623, 654, 665, 763, 798, 890, 1068, 1090, 1140, 1246, 1308, 1330, 1335, 1526, 1596, 1635, 1691, 1780, 1869, 1995, 2071, 2180, 2289, 2492, 2660, 2670, 3052, 3115, 3270, 3382, 3738, 3815, 3990, 4142, 4578, 5073, 5340, 6213, 6230, 6540, 6764, 7476, 7630, 7980, 8284, 8455, 9156, 9345, 9701, 10146, 10355, 11445, 11837, 12426, 12460, 14497, 15260, 16910, 18690, 19402, 20292, 20710, 22890, 23674, 24852, 25365, 28994, 29103, 31065, 33820, 35511, 37380, 38804, 41420, 43491, 45780, 47348, 48505, 50730, 57988, 58206, 59185, 62130, 67907, 71022, 72485, 86982, 97010, 101460, 116412, 118370, 124260, 135814, 142044, 144970, 145515, 173964, 177555, 184319, 194020, 203721, 217455, 236740, 271628, 289940, 291030, 339535, 355110, 368638, 407442, 434910, 552957, 582060, 679070, 710220, 737276, 814884, 869820, 921595, 1018605, 1105914, 1290233, 1358140, 1843190, 2037210, 2211828, 2580466, 2764785, 3686380, 3870699, 4074420, 5160932, 5529570, 6451165, 7741398, 11059140, 12902330, 15482796, 19353495, 25804660, 38706990, 77413980]

約数ペア:

[(1, 77413980), (2, 38706990), (3, 25804660), (4, 19353495), (5, 15482796), (6, 12902330), (7, 11059140), (10, 7741398), (12, 6451165), (14, 5529570), (15, 5160932), (19, 4074420), (20, 3870699), (21, 3686380), (28, 2764785), (30, 2580466), (35, 2211828), (38, 2037210), (42, 1843190), (57, 1358140), (60, 1290233), (70, 1105914), (76, 1018605), (84, 921595), (89, 869820), (95, 814884), (105, 737276), (109, 710220), (114, 679070), (133, 582060), (140, 552957), (178, 434910), (190, 407442), (210, 368638), (218, 355110), (228, 339535), (266, 291030), (267, 289940), (285, 271628), (327, 236740), (356, 217455), (380, 203721), (399, 194020), (420, 184319), (436, 177555), (445, 173964), (532, 145515), (534, 144970), (545, 142044), (570, 135814), (623, 124260), (654, 118370), (665, 116412), (763, 101460), (798, 97010), (890, 86982), (1068, 72485), (1090, 71022), (1140, 67907), (1246, 62130), (1308, 59185), (1330, 58206), (1335, 57988), (1526, 50730), (1596, 48505), (1635, 47348), (1691, 45780), (1780, 43491), (1869, 41420), (1995, 38804), (2071, 37380), (2180, 35511), (2289, 33820), (2492, 31065), (2660, 29103), (2670, 28994), (3052, 25365), (3115, 24852), (3270, 23674), (3382, 22890), (3738, 20710), (3815, 20292), (3990, 19402), (4142, 18690), (4578, 16910), (5073, 15260), (5340, 14497), (6213, 12460), (6230, 12426), (6540, 11837), (6764, 11445), (7476, 10355), (7630, 10146), (7980, 9701), (8284, 9345), (8455, 9156)]