64230140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 151014528

約数和(自身を除く): 86784388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 613, 620, 676, 806, 845, 1226, 1612, 1690, 2015, 2452, 3065, 3380, 4030, 5239, 6130, 7969, 8060, 10478, 12260, 15938, 19003, 20956, 26195, 31876, 38006, 39845, 52390, 76012, 79690, 95015, 103597, 104780, 159380, 190030, 207194, 247039, 380060, 414388, 494078, 517985, 988156, 1035970, 1235195, 2071940, 2470390, 3211507, 4940780, 6423014, 12846028, 16057535, 32115070, 64230140]

約数ペア:

[(1, 64230140), (2, 32115070), (4, 16057535), (5, 12846028), (10, 6423014), (13, 4940780), (20, 3211507), (26, 2470390), (31, 2071940), (52, 1235195), (62, 1035970), (65, 988156), (124, 517985), (130, 494078), (155, 414388), (169, 380060), (260, 247039), (310, 207194), (338, 190030), (403, 159380), (613, 104780), (620, 103597), (676, 95015), (806, 79690), (845, 76012), (1226, 52390), (1612, 39845), (1690, 38006), (2015, 31876), (2452, 26195), (3065, 20956), (3380, 19003), (4030, 15938), (5239, 12260), (6130, 10478), (7969, 8060)]