287500920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 192

約数和(自身を含む): 1032030720

約数和(自身を除く): 744529800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 529, 552, 644, 647, 690, 805, 840, 920, 966, 1058, 1288, 1294, 1380, 1587, 1610, 1932, 1941, 2116, 2415, 2588, 2645, 2760, 3174, 3220, 3235, 3703, 3864, 3882, 4232, 4529, 4830, 5176, 5290, 6348, 6440, 6470, 7406, 7764, 7935, 9058, 9660, 9705, 10580, 11109, 12696, 12940, 13587, 14812, 14881, 15528, 15870, 18116, 18515, 19320, 19410, 21160, 22218, 22645, 25880, 27174, 29624, 29762, 31740, 36232, 37030, 38820, 44436, 44643, 45290, 54348, 55545, 59524, 63480, 67935, 74060, 74405, 77640, 88872, 89286, 90580, 104167, 108696, 111090, 119048, 135870, 148120, 148810, 178572, 181160, 208334, 222180, 223215, 271740, 297620, 312501, 342263, 357144, 416668, 444360, 446430, 520835, 543480, 595240, 625002, 684526, 833336, 892860, 1026789, 1041670, 1250004, 1369052, 1562505, 1711315, 1785720, 2053578, 2083340, 2395841, 2500008, 2738104, 3125010, 3422630, 4107156, 4166680, 4791682, 5133945, 6250020, 6845260, 7187523, 8214312, 9583364, 10267890, 11979205, 12500040, 13690520, 14375046, 19166728, 20535780, 23958410, 28750092, 35937615, 41071560, 47916820, 57500184, 71875230, 95833640, 143750460, 287500920]

約数ペア:

[(1, 287500920), (2, 143750460), (3, 95833640), (4, 71875230), (5, 57500184), (6, 47916820), (7, 41071560), (8, 35937615), (10, 28750092), (12, 23958410), (14, 20535780), (15, 19166728), (20, 14375046), (21, 13690520), (23, 12500040), (24, 11979205), (28, 10267890), (30, 9583364), (35, 8214312), (40, 7187523), (42, 6845260), (46, 6250020), (56, 5133945), (60, 4791682), (69, 4166680), (70, 4107156), (84, 3422630), (92, 3125010), (105, 2738104), (115, 2500008), (120, 2395841), (138, 2083340), (140, 2053578), (161, 1785720), (168, 1711315), (184, 1562505), (210, 1369052), (230, 1250004), (276, 1041670), (280, 1026789), (322, 892860), (345, 833336), (420, 684526), (460, 625002), (483, 595240), (529, 543480), (552, 520835), (644, 446430), (647, 444360), (690, 416668), (805, 357144), (840, 342263), (920, 312501), (966, 297620), (1058, 271740), (1288, 223215), (1294, 222180), (1380, 208334), (1587, 181160), (1610, 178572), (1932, 148810), (1941, 148120), (2116, 135870), (2415, 119048), (2588, 111090), (2645, 108696), (2760, 104167), (3174, 90580), (3220, 89286), (3235, 88872), (3703, 77640), (3864, 74405), (3882, 74060), (4232, 67935), (4529, 63480), (4830, 59524), (5176, 55545), (5290, 54348), (6348, 45290), (6440, 44643), (6470, 44436), (7406, 38820), (7764, 37030), (7935, 36232), (9058, 31740), (9660, 29762), (9705, 29624), (10580, 27174), (11109, 25880), (12696, 22645), (12940, 22218), (13587, 21160), (14812, 19410), (14881, 19320), (15528, 18515), (15870, 18116)]