661347360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7529}}^1$

素因数の和:7611

約数の個数: 144

約数和(自身を含む): 2294150040

約数和(自身を除く): 1632802680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 5856, 7320, 7529, 8784, 9760, 10980, 14640, 15058, 17568, 21960, 22587, 29280, 30116, 37645, 43920, 45174, 60232, 67761, 75290, 87840, 90348, 112935, 120464, 135522, 150580, 180696, 225870, 240928, 271044, 301160, 338805, 361392, 451740, 459269, 542088, 602320, 677610, 722784, 903480, 918538, 1084176, 1204640, 1355220, 1377807, 1806960, 1837076, 2168352, 2296345, 2710440, 2755614, 3613920, 3674152, 4133421, 4592690, 5420880, 5511228, 6889035, 7348304, 8266842, 9185380, 10841760, 11022456, 13778070, 14696608, 16533684, 18370760, 20667105, 22044912, 27556140, 33067368, 36741520, 41334210, 44089824, 55112280, 66134736, 73483040, 82668420, 110224560, 132269472, 165336840, 220449120, 330673680, 661347360]

約数ペア:

[(1, 661347360), (2, 330673680), (3, 220449120), (4, 165336840), (5, 132269472), (6, 110224560), (8, 82668420), (9, 73483040), (10, 66134736), (12, 55112280), (15, 44089824), (16, 41334210), (18, 36741520), (20, 33067368), (24, 27556140), (30, 22044912), (32, 20667105), (36, 18370760), (40, 16533684), (45, 14696608), (48, 13778070), (60, 11022456), (61, 10841760), (72, 9185380), (80, 8266842), (90, 7348304), (96, 6889035), (120, 5511228), (122, 5420880), (144, 4592690), (160, 4133421), (180, 3674152), (183, 3613920), (240, 2755614), (244, 2710440), (288, 2296345), (305, 2168352), (360, 1837076), (366, 1806960), (480, 1377807), (488, 1355220), (549, 1204640), (610, 1084176), (720, 918538), (732, 903480), (915, 722784), (976, 677610), (1098, 602320), (1220, 542088), (1440, 459269), (1464, 451740), (1830, 361392), (1952, 338805), (2196, 301160), (2440, 271044), (2745, 240928), (2928, 225870), (3660, 180696), (4392, 150580), (4880, 135522), (5490, 120464), (5856, 112935), (7320, 90348), (7529, 87840), (8784, 75290), (9760, 67761), (10980, 60232), (14640, 45174), (15058, 43920), (17568, 37645), (21960, 30116), (22587, 29280)]