209621520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 240

約数和(自身を含む): 750701952

約数和(自身を除く): 541080432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 72, 80, 81, 82, 90, 108, 120, 123, 135, 144, 162, 164, 180, 205, 216, 240, 243, 246, 263, 270, 324, 328, 360, 369, 405, 410, 432, 486, 492, 526, 540, 615, 648, 656, 720, 738, 789, 810, 820, 972, 984, 1052, 1080, 1107, 1215, 1230, 1296, 1315, 1476, 1578, 1620, 1640, 1845, 1944, 1968, 2104, 2160, 2214, 2367, 2430, 2460, 2630, 2952, 3156, 3240, 3280, 3321, 3690, 3888, 3945, 4208, 4428, 4734, 4860, 4920, 5260, 5535, 5904, 6312, 6480, 6642, 7101, 7380, 7890, 8856, 9468, 9720, 9840, 9963, 10520, 10783, 11070, 11835, 12624, 13284, 14202, 14760, 15780, 16605, 17712, 18936, 19440, 19926, 21040, 21303, 21566, 22140, 23670, 26568, 28404, 29520, 31560, 32349, 33210, 35505, 37872, 39852, 42606, 43132, 44280, 47340, 49815, 53136, 53915, 56808, 63120, 63909, 64698, 66420, 71010, 79704, 85212, 86264, 88560, 94680, 97047, 99630, 106515, 107830, 113616, 127818, 129396, 132840, 142020, 159408, 161745, 170424, 172528, 189360, 194094, 199260, 213030, 215660, 255636, 258792, 265680, 284040, 291141, 319545, 323490, 340848, 388188, 398520, 426060, 431320, 485235, 511272, 517584, 568080, 582282, 639090, 646980, 776376, 797040, 852120, 862640, 873423, 970470, 1022544, 1164564, 1278180, 1293960, 1455705, 1552752, 1704240, 1746846, 1940940, 2329128, 2556360, 2587920, 2620269, 2911410, 3493692, 3881880, 4367115, 4658256, 5112720, 5240538, 5822820, 6987384, 7763760, 8734230, 10481076, 11645640, 13101345, 13974768, 17468460, 20962152, 23291280, 26202690, 34936920, 41924304, 52405380, 69873840, 104810760, 209621520]

約数ペア:

[(1, 209621520), (2, 104810760), (3, 69873840), (4, 52405380), (5, 41924304), (6, 34936920), (8, 26202690), (9, 23291280), (10, 20962152), (12, 17468460), (15, 13974768), (16, 13101345), (18, 11645640), (20, 10481076), (24, 8734230), (27, 7763760), (30, 6987384), (36, 5822820), (40, 5240538), (41, 5112720), (45, 4658256), (48, 4367115), (54, 3881880), (60, 3493692), (72, 2911410), (80, 2620269), (81, 2587920), (82, 2556360), (90, 2329128), (108, 1940940), (120, 1746846), (123, 1704240), (135, 1552752), (144, 1455705), (162, 1293960), (164, 1278180), (180, 1164564), (205, 1022544), (216, 970470), (240, 873423), (243, 862640), (246, 852120), (263, 797040), (270, 776376), (324, 646980), (328, 639090), (360, 582282), (369, 568080), (405, 517584), (410, 511272), (432, 485235), (486, 431320), (492, 426060), (526, 398520), (540, 388188), (615, 340848), (648, 323490), (656, 319545), (720, 291141), (738, 284040), (789, 265680), (810, 258792), (820, 255636), (972, 215660), (984, 213030), (1052, 199260), (1080, 194094), (1107, 189360), (1215, 172528), (1230, 170424), (1296, 161745), (1315, 159408), (1476, 142020), (1578, 132840), (1620, 129396), (1640, 127818), (1845, 113616), (1944, 107830), (1968, 106515), (2104, 99630), (2160, 97047), (2214, 94680), (2367, 88560), (2430, 86264), (2460, 85212), (2630, 79704), (2952, 71010), (3156, 66420), (3240, 64698), (3280, 63909), (3321, 63120), (3690, 56808), (3888, 53915), (3945, 53136), (4208, 49815), (4428, 47340), (4734, 44280), (4860, 43132), (4920, 42606), (5260, 39852), (5535, 37872), (5904, 35505), (6312, 33210), (6480, 32349), (6642, 31560), (7101, 29520), (7380, 28404), (7890, 26568), (8856, 23670), (9468, 22140), (9720, 21566), (9840, 21303), (9963, 21040), (10520, 19926), (10783, 19440), (11070, 18936), (11835, 17712), (12624, 16605), (13284, 15780), (14202, 14760)]