978047200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:789

約数の個数: 144

約数和(自身を含む): 2592021600

約数和(自身を除く): 1613974400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 157, 160, 200, 208, 260, 314, 325, 400, 416, 520, 599, 628, 650, 785, 800, 1040, 1198, 1256, 1300, 1570, 2041, 2080, 2396, 2512, 2600, 2995, 3140, 3925, 4082, 4792, 5024, 5200, 5990, 6280, 7787, 7850, 8164, 9584, 10205, 10400, 11980, 12560, 14975, 15574, 15700, 16328, 19168, 20410, 23960, 25120, 29950, 31148, 31400, 32656, 38935, 40820, 47920, 51025, 59900, 62296, 62800, 65312, 77870, 81640, 94043, 95840, 102050, 119800, 124592, 125600, 155740, 163280, 188086, 194675, 204100, 239600, 249184, 311480, 326560, 376172, 389350, 408200, 470215, 479200, 622960, 752344, 778700, 816400, 940430, 1222559, 1245920, 1504688, 1557400, 1632800, 1880860, 2351075, 2445118, 3009376, 3114800, 3761720, 4702150, 4890236, 6112795, 6229600, 7523440, 9404300, 9780472, 12225590, 15046880, 18808600, 19560944, 24451180, 30563975, 37617200, 39121888, 48902360, 61127950, 75234400, 97804720, 122255900, 195609440, 244511800, 489023600, 978047200]

約数ペア:

[(1, 978047200), (2, 489023600), (4, 244511800), (5, 195609440), (8, 122255900), (10, 97804720), (13, 75234400), (16, 61127950), (20, 48902360), (25, 39121888), (26, 37617200), (32, 30563975), (40, 24451180), (50, 19560944), (52, 18808600), (65, 15046880), (80, 12225590), (100, 9780472), (104, 9404300), (130, 7523440), (157, 6229600), (160, 6112795), (200, 4890236), (208, 4702150), (260, 3761720), (314, 3114800), (325, 3009376), (400, 2445118), (416, 2351075), (520, 1880860), (599, 1632800), (628, 1557400), (650, 1504688), (785, 1245920), (800, 1222559), (1040, 940430), (1198, 816400), (1256, 778700), (1300, 752344), (1570, 622960), (2041, 479200), (2080, 470215), (2396, 408200), (2512, 389350), (2600, 376172), (2995, 326560), (3140, 311480), (3925, 249184), (4082, 239600), (4792, 204100), (5024, 194675), (5200, 188086), (5990, 163280), (6280, 155740), (7787, 125600), (7850, 124592), (8164, 119800), (9584, 102050), (10205, 95840), (10400, 94043), (11980, 81640), (12560, 77870), (14975, 65312), (15574, 62800), (15700, 62296), (16328, 59900), (19168, 51025), (20410, 47920), (23960, 40820), (25120, 38935), (29950, 32656), (31148, 31400)]