816658049320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{1423}}^1\times {\mathrm{1621}}^1$

素因数の和:3275

約数の個数: 128

約数和(自身を含む): 1885846717440

約数和(自身を除く): 1069188668120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 167, 212, 265, 334, 424, 530, 668, 835, 1060, 1336, 1423, 1621, 1670, 2120, 2846, 3242, 3340, 5692, 6484, 6680, 7115, 8105, 8851, 11384, 12968, 14230, 16210, 17702, 28460, 32420, 35404, 44255, 56920, 64840, 70808, 75419, 85913, 88510, 150838, 171826, 177020, 237641, 270707, 301676, 343652, 354040, 377095, 429565, 475282, 541414, 603352, 687304, 754190, 859130, 950564, 1082828, 1188205, 1353535, 1508380, 1718260, 1901128, 2165656, 2306683, 2376410, 2707070, 3016760, 3436520, 4613366, 4752820, 5414140, 9226732, 9505640, 10828280, 11533415, 12594973, 14347471, 18453464, 23066830, 25189946, 28694942, 46133660, 50379892, 57389884, 62974865, 71737355, 92267320, 100759784, 114779768, 122254199, 125949730, 143474710, 244508398, 251899460, 286949420, 385216061, 489016796, 503798920, 573898840, 611270995, 770432122, 978033592, 1222541990, 1540864244, 1926080305, 2445083980, 3081728488, 3852160610, 4890167960, 7704321220, 15408642440, 20416451233, 40832902466, 81665804932, 102082256165, 163331609864, 204164512330, 408329024660, 816658049320]

約数ペア:

[(1, 816658049320), (2, 408329024660), (4, 204164512330), (5, 163331609864), (8, 102082256165), (10, 81665804932), (20, 40832902466), (40, 20416451233), (53, 15408642440), (106, 7704321220), (167, 4890167960), (212, 3852160610), (265, 3081728488), (334, 2445083980), (424, 1926080305), (530, 1540864244), (668, 1222541990), (835, 978033592), (1060, 770432122), (1336, 611270995), (1423, 573898840), (1621, 503798920), (1670, 489016796), (2120, 385216061), (2846, 286949420), (3242, 251899460), (3340, 244508398), (5692, 143474710), (6484, 125949730), (6680, 122254199), (7115, 114779768), (8105, 100759784), (8851, 92267320), (11384, 71737355), (12968, 62974865), (14230, 57389884), (16210, 50379892), (17702, 46133660), (28460, 28694942), (32420, 25189946), (35404, 23066830), (44255, 18453464), (56920, 14347471), (64840, 12594973), (70808, 11533415), (75419, 10828280), (85913, 9505640), (88510, 9226732), (150838, 5414140), (171826, 4752820), (177020, 4613366), (237641, 3436520), (270707, 3016760), (301676, 2707070), (343652, 2376410), (354040, 2306683), (377095, 2165656), (429565, 1901128), (475282, 1718260), (541414, 1508380), (603352, 1353535), (687304, 1188205), (754190, 1082828), (859130, 950564)]