51925140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 169827840

約数和(自身を除く): 117902700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 71, 85, 90, 102, 142, 153, 170, 180, 204, 213, 239, 255, 284, 306, 340, 355, 426, 478, 510, 612, 639, 710, 717, 765, 852, 956, 1020, 1065, 1195, 1207, 1278, 1420, 1434, 1530, 2130, 2151, 2390, 2414, 2556, 2868, 3060, 3195, 3585, 3621, 4063, 4260, 4302, 4780, 4828, 6035, 6390, 7170, 7242, 8126, 8604, 10755, 10863, 12070, 12189, 12780, 14340, 14484, 16252, 16969, 18105, 20315, 21510, 21726, 24140, 24378, 33938, 36210, 36567, 40630, 43020, 43452, 48756, 50907, 54315, 60945, 67876, 72420, 73134, 81260, 84845, 101814, 108630, 121890, 146268, 152721, 169690, 182835, 203628, 217260, 243780, 254535, 288473, 305442, 339380, 365670, 509070, 576946, 610884, 731340, 763605, 865419, 1018140, 1153892, 1442365, 1527210, 1730838, 2596257, 2884730, 3054420, 3461676, 4327095, 5192514, 5769460, 8654190, 10385028, 12981285, 17308380, 25962570, 51925140]

約数ペア:

[(1, 51925140), (2, 25962570), (3, 17308380), (4, 12981285), (5, 10385028), (6, 8654190), (9, 5769460), (10, 5192514), (12, 4327095), (15, 3461676), (17, 3054420), (18, 2884730), (20, 2596257), (30, 1730838), (34, 1527210), (36, 1442365), (45, 1153892), (51, 1018140), (60, 865419), (68, 763605), (71, 731340), (85, 610884), (90, 576946), (102, 509070), (142, 365670), (153, 339380), (170, 305442), (180, 288473), (204, 254535), (213, 243780), (239, 217260), (255, 203628), (284, 182835), (306, 169690), (340, 152721), (355, 146268), (426, 121890), (478, 108630), (510, 101814), (612, 84845), (639, 81260), (710, 73134), (717, 72420), (765, 67876), (852, 60945), (956, 54315), (1020, 50907), (1065, 48756), (1195, 43452), (1207, 43020), (1278, 40630), (1420, 36567), (1434, 36210), (1530, 33938), (2130, 24378), (2151, 24140), (2390, 21726), (2414, 21510), (2556, 20315), (2868, 18105), (3060, 16969), (3195, 16252), (3585, 14484), (3621, 14340), (4063, 12780), (4260, 12189), (4302, 12070), (4780, 10863), (4828, 10755), (6035, 8604), (6390, 8126), (7170, 7242)]