990509760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20231}}^1$

素因数の和:20271

約数の個数: 168

約数和(自身を含む): 3607527456

約数和(自身を除く): 2617017696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 480, 510, 544, 576, 612, 680, 720, 765, 816, 960, 1020, 1088, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 2880, 3060, 3264, 4080, 4896, 5440, 6120, 8160, 9792, 12240, 16320, 20231, 24480, 40462, 48960, 60693, 80924, 101155, 121386, 161848, 182079, 202310, 242772, 303465, 323696, 343927, 364158, 404620, 485544, 606930, 647392, 687854, 728316, 809240, 910395, 971088, 1031781, 1213860, 1294784, 1375708, 1456632, 1618480, 1719635, 1820790, 1942176, 2063562, 2427720, 2751416, 2913264, 3095343, 3236960, 3439270, 3641580, 3884352, 4127124, 4855440, 5158905, 5502832, 5826528, 6190686, 6473920, 6878540, 7283160, 8254248, 9710880, 10317810, 11005664, 11653056, 12381372, 13757080, 14566320, 15476715, 16508496, 19421760, 20635620, 22011328, 24762744, 27514160, 29132640, 30953430, 33016992, 41271240, 49525488, 55028320, 58265280, 61906860, 66033984, 82542480, 99050976, 110056640, 123813720, 165084960, 198101952, 247627440, 330169920, 495254880, 990509760]

約数ペア:

[(1, 990509760), (2, 495254880), (3, 330169920), (4, 247627440), (5, 198101952), (6, 165084960), (8, 123813720), (9, 110056640), (10, 99050976), (12, 82542480), (15, 66033984), (16, 61906860), (17, 58265280), (18, 55028320), (20, 49525488), (24, 41271240), (30, 33016992), (32, 30953430), (34, 29132640), (36, 27514160), (40, 24762744), (45, 22011328), (48, 20635620), (51, 19421760), (60, 16508496), (64, 15476715), (68, 14566320), (72, 13757080), (80, 12381372), (85, 11653056), (90, 11005664), (96, 10317810), (102, 9710880), (120, 8254248), (136, 7283160), (144, 6878540), (153, 6473920), (160, 6190686), (170, 5826528), (180, 5502832), (192, 5158905), (204, 4855440), (240, 4127124), (255, 3884352), (272, 3641580), (288, 3439270), (306, 3236960), (320, 3095343), (340, 2913264), (360, 2751416), (408, 2427720), (480, 2063562), (510, 1942176), (544, 1820790), (576, 1719635), (612, 1618480), (680, 1456632), (720, 1375708), (765, 1294784), (816, 1213860), (960, 1031781), (1020, 971088), (1088, 910395), (1224, 809240), (1360, 728316), (1440, 687854), (1530, 647392), (1632, 606930), (2040, 485544), (2448, 404620), (2720, 364158), (2880, 343927), (3060, 323696), (3264, 303465), (4080, 242772), (4896, 202310), (5440, 182079), (6120, 161848), (8160, 121386), (9792, 101155), (12240, 80924), (16320, 60693), (20231, 48960), (24480, 40462)]