64890540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2560

約数の個数: 144

約数和(自身を含む): 231338016

約数和(自身を除く): 166447476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2521, 2574, 2860, 4290, 5042, 5148, 6435, 7563, 8580, 10084, 12605, 12870, 15126, 22689, 25210, 25740, 27731, 30252, 32773, 37815, 45378, 50420, 55462, 65546, 75630, 83193, 90756, 98319, 110924, 113445, 131092, 138655, 151260, 163865, 166386, 196638, 226890, 249579, 277310, 294957, 327730, 332772, 360503, 393276, 415965, 453780, 491595, 499158, 554620, 589914, 655460, 721006, 831930, 983190, 998316, 1081509, 1179828, 1247895, 1442012, 1474785, 1663860, 1802515, 1966380, 2163018, 2495790, 2949570, 3244527, 3605030, 4326036, 4991580, 5407545, 5899140, 6489054, 7210060, 10815090, 12978108, 16222635, 21630180, 32445270, 64890540]

約数ペア:

[(1, 64890540), (2, 32445270), (3, 21630180), (4, 16222635), (5, 12978108), (6, 10815090), (9, 7210060), (10, 6489054), (11, 5899140), (12, 5407545), (13, 4991580), (15, 4326036), (18, 3605030), (20, 3244527), (22, 2949570), (26, 2495790), (30, 2163018), (33, 1966380), (36, 1802515), (39, 1663860), (44, 1474785), (45, 1442012), (52, 1247895), (55, 1179828), (60, 1081509), (65, 998316), (66, 983190), (78, 831930), (90, 721006), (99, 655460), (110, 589914), (117, 554620), (130, 499158), (132, 491595), (143, 453780), (156, 415965), (165, 393276), (180, 360503), (195, 332772), (198, 327730), (220, 294957), (234, 277310), (260, 249579), (286, 226890), (330, 196638), (390, 166386), (396, 163865), (429, 151260), (468, 138655), (495, 131092), (572, 113445), (585, 110924), (660, 98319), (715, 90756), (780, 83193), (858, 75630), (990, 65546), (1170, 55462), (1287, 50420), (1430, 45378), (1716, 37815), (1980, 32773), (2145, 30252), (2340, 27731), (2521, 25740), (2574, 25210), (2860, 22689), (4290, 15126), (5042, 12870), (5148, 12605), (6435, 10084), (7563, 8580)]