30816660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 99348480

約数和(自身を除く): 68531820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 307, 420, 478, 614, 717, 921, 956, 1195, 1228, 1434, 1535, 1673, 1842, 2149, 2390, 2868, 3070, 3346, 3585, 3684, 4298, 4605, 4780, 5019, 6140, 6447, 6692, 7170, 8365, 8596, 9210, 10038, 10745, 12894, 14340, 16730, 18420, 20076, 21490, 25095, 25788, 32235, 33460, 42980, 50190, 64470, 73373, 100380, 128940, 146746, 220119, 293492, 366865, 440238, 513611, 733730, 880476, 1027222, 1100595, 1467460, 1540833, 2054444, 2201190, 2568055, 3081666, 4402380, 5136110, 6163332, 7704165, 10272220, 15408330, 30816660]

約数ペア:

[(1, 30816660), (2, 15408330), (3, 10272220), (4, 7704165), (5, 6163332), (6, 5136110), (7, 4402380), (10, 3081666), (12, 2568055), (14, 2201190), (15, 2054444), (20, 1540833), (21, 1467460), (28, 1100595), (30, 1027222), (35, 880476), (42, 733730), (60, 513611), (70, 440238), (84, 366865), (105, 293492), (140, 220119), (210, 146746), (239, 128940), (307, 100380), (420, 73373), (478, 64470), (614, 50190), (717, 42980), (921, 33460), (956, 32235), (1195, 25788), (1228, 25095), (1434, 21490), (1535, 20076), (1673, 18420), (1842, 16730), (2149, 14340), (2390, 12894), (2868, 10745), (3070, 10038), (3346, 9210), (3585, 8596), (3684, 8365), (4298, 7170), (4605, 6692), (4780, 6447), (5019, 6140)]