421807080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:955

約数の個数: 128

約数和(自身を含む): 1316736000

約数和(自身を除く): 894928920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 149, 155, 186, 248, 298, 310, 372, 447, 465, 596, 620, 744, 745, 761, 894, 930, 1192, 1240, 1490, 1522, 1788, 1860, 2235, 2283, 2980, 3044, 3576, 3720, 3805, 4470, 4566, 4619, 5960, 6088, 7610, 8940, 9132, 9238, 11415, 13857, 15220, 17880, 18264, 18476, 22830, 23095, 23591, 27714, 30440, 36952, 45660, 46190, 47182, 55428, 69285, 70773, 91320, 92380, 94364, 110856, 113389, 117955, 138570, 141546, 184760, 188728, 226778, 235910, 277140, 283092, 340167, 353865, 453556, 471820, 554280, 566184, 566945, 680334, 707730, 907112, 943640, 1133890, 1360668, 1415460, 1700835, 2267780, 2721336, 2830920, 3401670, 3515059, 4535560, 6803340, 7030118, 10545177, 13606680, 14060236, 17575295, 21090354, 28120472, 35150590, 42180708, 52725885, 70301180, 84361416, 105451770, 140602360, 210903540, 421807080]

約数ペア:

[(1, 421807080), (2, 210903540), (3, 140602360), (4, 105451770), (5, 84361416), (6, 70301180), (8, 52725885), (10, 42180708), (12, 35150590), (15, 28120472), (20, 21090354), (24, 17575295), (30, 14060236), (31, 13606680), (40, 10545177), (60, 7030118), (62, 6803340), (93, 4535560), (120, 3515059), (124, 3401670), (149, 2830920), (155, 2721336), (186, 2267780), (248, 1700835), (298, 1415460), (310, 1360668), (372, 1133890), (447, 943640), (465, 907112), (596, 707730), (620, 680334), (744, 566945), (745, 566184), (761, 554280), (894, 471820), (930, 453556), (1192, 353865), (1240, 340167), (1490, 283092), (1522, 277140), (1788, 235910), (1860, 226778), (2235, 188728), (2283, 184760), (2980, 141546), (3044, 138570), (3576, 117955), (3720, 113389), (3805, 110856), (4470, 94364), (4566, 92380), (4619, 91320), (5960, 70773), (6088, 69285), (7610, 55428), (8940, 47182), (9132, 46190), (9238, 45660), (11415, 36952), (13857, 30440), (15220, 27714), (17880, 23591), (18264, 23095), (18476, 22830)]