157986120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 490976640

約数和(自身を除く): 332990520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 163, 164, 197, 205, 246, 326, 328, 394, 410, 489, 492, 591, 615, 652, 788, 815, 820, 978, 984, 985, 1182, 1230, 1304, 1576, 1630, 1640, 1956, 1970, 2364, 2445, 2460, 2955, 3260, 3912, 3940, 4728, 4890, 4920, 5910, 6520, 6683, 7880, 8077, 9780, 11820, 13366, 16154, 19560, 20049, 23640, 24231, 26732, 32111, 32308, 33415, 40098, 40385, 48462, 53464, 64222, 64616, 66830, 80196, 80770, 96333, 96924, 100245, 121155, 128444, 133660, 160392, 160555, 161540, 192666, 193848, 200490, 242310, 256888, 267320, 321110, 323080, 385332, 400980, 481665, 484620, 642220, 770664, 801960, 963330, 969240, 1284440, 1316551, 1926660, 2633102, 3853320, 3949653, 5266204, 6582755, 7899306, 10532408, 13165510, 15798612, 19748265, 26331020, 31597224, 39496530, 52662040, 78993060, 157986120]

約数ペア:

[(1, 157986120), (2, 78993060), (3, 52662040), (4, 39496530), (5, 31597224), (6, 26331020), (8, 19748265), (10, 15798612), (12, 13165510), (15, 10532408), (20, 7899306), (24, 6582755), (30, 5266204), (40, 3949653), (41, 3853320), (60, 2633102), (82, 1926660), (120, 1316551), (123, 1284440), (163, 969240), (164, 963330), (197, 801960), (205, 770664), (246, 642220), (326, 484620), (328, 481665), (394, 400980), (410, 385332), (489, 323080), (492, 321110), (591, 267320), (615, 256888), (652, 242310), (788, 200490), (815, 193848), (820, 192666), (978, 161540), (984, 160555), (985, 160392), (1182, 133660), (1230, 128444), (1304, 121155), (1576, 100245), (1630, 96924), (1640, 96333), (1956, 80770), (1970, 80196), (2364, 66830), (2445, 64616), (2460, 64222), (2955, 53464), (3260, 48462), (3912, 40385), (3940, 40098), (4728, 33415), (4890, 32308), (4920, 32111), (5910, 26732), (6520, 24231), (6683, 23640), (7880, 20049), (8077, 19560), (9780, 16154), (11820, 13366)]