491888480

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 1200225600

約数和(自身を除く): 708337120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 167, 205, 328, 334, 410, 449, 656, 668, 820, 835, 898, 1312, 1336, 1640, 1670, 1796, 2245, 2672, 3280, 3340, 3592, 4490, 5344, 6560, 6680, 6847, 7184, 8980, 13360, 13694, 14368, 17960, 18409, 26720, 27388, 34235, 35920, 36818, 54776, 68470, 71840, 73636, 74983, 92045, 109552, 136940, 147272, 149966, 184090, 219104, 273880, 294544, 299932, 368180, 374915, 547760, 589088, 599864, 736360, 749830, 1095520, 1199728, 1472720, 1499660, 2399456, 2945440, 2999320, 3074303, 5998640, 6148606, 11997280, 12297212, 15371515, 24594424, 30743030, 49188848, 61486060, 98377696, 122972120, 245944240, 491888480]

約数ペア:

[(1, 491888480), (2, 245944240), (4, 122972120), (5, 98377696), (8, 61486060), (10, 49188848), (16, 30743030), (20, 24594424), (32, 15371515), (40, 12297212), (41, 11997280), (80, 6148606), (82, 5998640), (160, 3074303), (164, 2999320), (167, 2945440), (205, 2399456), (328, 1499660), (334, 1472720), (410, 1199728), (449, 1095520), (656, 749830), (668, 736360), (820, 599864), (835, 589088), (898, 547760), (1312, 374915), (1336, 368180), (1640, 299932), (1670, 294544), (1796, 273880), (2245, 219104), (2672, 184090), (3280, 149966), (3340, 147272), (3592, 136940), (4490, 109552), (5344, 92045), (6560, 74983), (6680, 73636), (6847, 71840), (7184, 68470), (8980, 54776), (13360, 36818), (13694, 35920), (14368, 34235), (17960, 27388), (18409, 26720)]