64906140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 203279328

約数和(自身を除く): 138373188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 169, 173, 185, 195, 222, 260, 338, 346, 370, 390, 444, 481, 507, 519, 555, 676, 692, 740, 780, 845, 865, 962, 1014, 1038, 1110, 1443, 1690, 1730, 1924, 2028, 2076, 2220, 2249, 2405, 2535, 2595, 2886, 3380, 3460, 4498, 4810, 5070, 5190, 5772, 6253, 6401, 6747, 7215, 8996, 9620, 10140, 10380, 11245, 12506, 12802, 13494, 14430, 18759, 19203, 22490, 25012, 25604, 26988, 28860, 29237, 31265, 32005, 33735, 37518, 38406, 44980, 58474, 62530, 64010, 67470, 75036, 76812, 83213, 87711, 93795, 96015, 116948, 125060, 128020, 134940, 146185, 166426, 175422, 187590, 192030, 249639, 292370, 332852, 350844, 375180, 384060, 416065, 438555, 499278, 584740, 832130, 877110, 998556, 1081769, 1248195, 1664260, 1754220, 2163538, 2496390, 3245307, 4327076, 4992780, 5408845, 6490614, 10817690, 12981228, 16226535, 21635380, 32453070, 64906140]

約数ペア:

[(1, 64906140), (2, 32453070), (3, 21635380), (4, 16226535), (5, 12981228), (6, 10817690), (10, 6490614), (12, 5408845), (13, 4992780), (15, 4327076), (20, 3245307), (26, 2496390), (30, 2163538), (37, 1754220), (39, 1664260), (52, 1248195), (60, 1081769), (65, 998556), (74, 877110), (78, 832130), (111, 584740), (130, 499278), (148, 438555), (156, 416065), (169, 384060), (173, 375180), (185, 350844), (195, 332852), (222, 292370), (260, 249639), (338, 192030), (346, 187590), (370, 175422), (390, 166426), (444, 146185), (481, 134940), (507, 128020), (519, 125060), (555, 116948), (676, 96015), (692, 93795), (740, 87711), (780, 83213), (845, 76812), (865, 75036), (962, 67470), (1014, 64010), (1038, 62530), (1110, 58474), (1443, 44980), (1690, 38406), (1730, 37518), (1924, 33735), (2028, 32005), (2076, 31265), (2220, 29237), (2249, 28860), (2405, 26988), (2535, 25604), (2595, 25012), (2886, 22490), (3380, 19203), (3460, 18759), (4498, 14430), (4810, 13494), (5070, 12802), (5190, 12506), (5772, 11245), (6253, 10380), (6401, 10140), (6747, 9620), (7215, 8996)]