1970640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 240

約数和(自身を含む): 8356608

約数和(自身を除く): 6385968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 23, 24, 28, 30, 34, 35, 36, 40, 42, 45, 46, 48, 51, 56, 60, 63, 68, 69, 70, 72, 80, 84, 85, 90, 92, 102, 105, 112, 115, 119, 120, 126, 136, 138, 140, 144, 153, 161, 168, 170, 180, 184, 204, 207, 210, 230, 238, 240, 252, 255, 272, 276, 280, 306, 315, 322, 336, 340, 345, 357, 360, 368, 391, 408, 414, 420, 460, 476, 483, 504, 510, 552, 560, 595, 612, 630, 644, 680, 690, 714, 720, 765, 782, 805, 816, 828, 840, 920, 952, 966, 1008, 1020, 1035, 1071, 1104, 1173, 1190, 1224, 1260, 1288, 1360, 1380, 1428, 1449, 1530, 1564, 1610, 1656, 1680, 1785, 1840, 1904, 1932, 1955, 2040, 2070, 2142, 2346, 2380, 2415, 2448, 2520, 2576, 2737, 2760, 2856, 2898, 3060, 3128, 3220, 3312, 3519, 3570, 3864, 3910, 4080, 4140, 4284, 4692, 4760, 4830, 5040, 5355, 5474, 5520, 5712, 5796, 5865, 6120, 6256, 6440, 7038, 7140, 7245, 7728, 7820, 8211, 8280, 8568, 9384, 9520, 9660, 10710, 10948, 11592, 11730, 12240, 12880, 13685, 14076, 14280, 14490, 15640, 16422, 16560, 17136, 17595, 18768, 19320, 21420, 21896, 23184, 23460, 24633, 27370, 28152, 28560, 28980, 31280, 32844, 35190, 38640, 41055, 42840, 43792, 46920, 49266, 54740, 56304, 57960, 65688, 70380, 82110, 85680, 93840, 98532, 109480, 115920, 123165, 131376, 140760, 164220, 197064, 218960, 246330, 281520, 328440, 394128, 492660, 656880, 985320, 1970640]

約数ペア:

[(1, 1970640), (2, 985320), (3, 656880), (4, 492660), (5, 394128), (6, 328440), (7, 281520), (8, 246330), (9, 218960), (10, 197064), (12, 164220), (14, 140760), (15, 131376), (16, 123165), (17, 115920), (18, 109480), (20, 98532), (21, 93840), (23, 85680), (24, 82110), (28, 70380), (30, 65688), (34, 57960), (35, 56304), (36, 54740), (40, 49266), (42, 46920), (45, 43792), (46, 42840), (48, 41055), (51, 38640), (56, 35190), (60, 32844), (63, 31280), (68, 28980), (69, 28560), (70, 28152), (72, 27370), (80, 24633), (84, 23460), (85, 23184), (90, 21896), (92, 21420), (102, 19320), (105, 18768), (112, 17595), (115, 17136), (119, 16560), (120, 16422), (126, 15640), (136, 14490), (138, 14280), (140, 14076), (144, 13685), (153, 12880), (161, 12240), (168, 11730), (170, 11592), (180, 10948), (184, 10710), (204, 9660), (207, 9520), (210, 9384), (230, 8568), (238, 8280), (240, 8211), (252, 7820), (255, 7728), (272, 7245), (276, 7140), (280, 7038), (306, 6440), (315, 6256), (322, 6120), (336, 5865), (340, 5796), (345, 5712), (357, 5520), (360, 5474), (368, 5355), (391, 5040), (408, 4830), (414, 4760), (420, 4692), (460, 4284), (476, 4140), (483, 4080), (504, 3910), (510, 3864), (552, 3570), (560, 3519), (595, 3312), (612, 3220), (630, 3128), (644, 3060), (680, 2898), (690, 2856), (714, 2760), (720, 2737), (765, 2576), (782, 2520), (805, 2448), (816, 2415), (828, 2380), (840, 2346), (920, 2142), (952, 2070), (966, 2040), (1008, 1955), (1020, 1932), (1035, 1904), (1071, 1840), (1104, 1785), (1173, 1680), (1190, 1656), (1224, 1610), (1260, 1564), (1288, 1530), (1360, 1449), (1380, 1428)]