64721880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 223011360

約数和(自身を除く): 158289480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 43, 45, 60, 72, 74, 86, 90, 111, 113, 120, 129, 148, 172, 180, 185, 215, 222, 226, 258, 296, 333, 339, 344, 360, 370, 387, 430, 444, 452, 516, 555, 565, 645, 666, 678, 740, 774, 860, 888, 904, 1017, 1032, 1110, 1130, 1290, 1332, 1356, 1480, 1548, 1591, 1665, 1695, 1720, 1935, 2034, 2220, 2260, 2580, 2664, 2712, 3096, 3182, 3330, 3390, 3870, 4068, 4181, 4440, 4520, 4773, 4859, 5085, 5160, 6364, 6660, 6780, 7740, 7955, 8136, 8362, 9546, 9718, 10170, 12543, 12728, 13320, 13560, 14319, 14577, 15480, 15910, 16724, 19092, 19436, 20340, 20905, 23865, 24295, 25086, 28638, 29154, 31820, 33448, 37629, 38184, 38872, 40680, 41810, 43731, 47730, 48590, 50172, 57276, 58308, 62715, 63640, 71595, 72885, 75258, 83620, 87462, 95460, 97180, 100344, 114552, 116616, 125430, 143190, 145770, 150516, 167240, 174924, 179783, 188145, 190920, 194360, 218655, 250860, 286380, 291540, 301032, 349848, 359566, 376290, 437310, 501720, 539349, 572760, 583080, 719132, 752580, 874620, 898915, 1078698, 1438264, 1505160, 1618047, 1749240, 1797830, 2157396, 2696745, 3236094, 3595660, 4314792, 5393490, 6472188, 7191320, 8090235, 10786980, 12944376, 16180470, 21573960, 32360940, 64721880]

約数ペア:

[(1, 64721880), (2, 32360940), (3, 21573960), (4, 16180470), (5, 12944376), (6, 10786980), (8, 8090235), (9, 7191320), (10, 6472188), (12, 5393490), (15, 4314792), (18, 3595660), (20, 3236094), (24, 2696745), (30, 2157396), (36, 1797830), (37, 1749240), (40, 1618047), (43, 1505160), (45, 1438264), (60, 1078698), (72, 898915), (74, 874620), (86, 752580), (90, 719132), (111, 583080), (113, 572760), (120, 539349), (129, 501720), (148, 437310), (172, 376290), (180, 359566), (185, 349848), (215, 301032), (222, 291540), (226, 286380), (258, 250860), (296, 218655), (333, 194360), (339, 190920), (344, 188145), (360, 179783), (370, 174924), (387, 167240), (430, 150516), (444, 145770), (452, 143190), (516, 125430), (555, 116616), (565, 114552), (645, 100344), (666, 97180), (678, 95460), (740, 87462), (774, 83620), (860, 75258), (888, 72885), (904, 71595), (1017, 63640), (1032, 62715), (1110, 58308), (1130, 57276), (1290, 50172), (1332, 48590), (1356, 47730), (1480, 43731), (1548, 41810), (1591, 40680), (1665, 38872), (1695, 38184), (1720, 37629), (1935, 33448), (2034, 31820), (2220, 29154), (2260, 28638), (2580, 25086), (2664, 24295), (2712, 23865), (3096, 20905), (3182, 20340), (3330, 19436), (3390, 19092), (3870, 16724), (4068, 15910), (4181, 15480), (4440, 14577), (4520, 14319), (4773, 13560), (4859, 13320), (5085, 12728), (5160, 12543), (6364, 10170), (6660, 9718), (6780, 9546), (7740, 8362), (7955, 8136)]