204531420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{839}}^1$

素因数の和:1107

約数の個数: 96

約数和(自身を含む): 609638400

約数和(自身を除く): 405106980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 239, 255, 340, 478, 510, 717, 839, 956, 1020, 1195, 1434, 1678, 2390, 2517, 2868, 3356, 3585, 4063, 4195, 4780, 5034, 7170, 8126, 8390, 10068, 12189, 12585, 14263, 14340, 16252, 16780, 20315, 24378, 25170, 28526, 40630, 42789, 48756, 50340, 57052, 60945, 71315, 81260, 85578, 121890, 142630, 171156, 200521, 213945, 243780, 285260, 401042, 427890, 601563, 802084, 855780, 1002605, 1203126, 2005210, 2406252, 3007815, 3408857, 4010420, 6015630, 6817714, 10226571, 12031260, 13635428, 17044285, 20453142, 34088570, 40906284, 51132855, 68177140, 102265710, 204531420]

約数ペア:

[(1, 204531420), (2, 102265710), (3, 68177140), (4, 51132855), (5, 40906284), (6, 34088570), (10, 20453142), (12, 17044285), (15, 13635428), (17, 12031260), (20, 10226571), (30, 6817714), (34, 6015630), (51, 4010420), (60, 3408857), (68, 3007815), (85, 2406252), (102, 2005210), (170, 1203126), (204, 1002605), (239, 855780), (255, 802084), (340, 601563), (478, 427890), (510, 401042), (717, 285260), (839, 243780), (956, 213945), (1020, 200521), (1195, 171156), (1434, 142630), (1678, 121890), (2390, 85578), (2517, 81260), (2868, 71315), (3356, 60945), (3585, 57052), (4063, 50340), (4195, 48756), (4780, 42789), (5034, 40630), (7170, 28526), (8126, 25170), (8390, 24378), (10068, 20315), (12189, 16780), (12585, 16252), (14263, 14340)]