1627920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:62

約数の個数: 240

約数和(自身を含む): 6963840

約数和(自身を除く): 5335920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 24, 28, 30, 34, 35, 36, 38, 40, 42, 45, 48, 51, 56, 57, 60, 63, 68, 70, 72, 76, 80, 84, 85, 90, 95, 102, 105, 112, 114, 119, 120, 126, 133, 136, 140, 144, 152, 153, 168, 170, 171, 180, 190, 204, 210, 228, 238, 240, 252, 255, 266, 272, 280, 285, 304, 306, 315, 323, 336, 340, 342, 357, 360, 380, 399, 408, 420, 456, 476, 504, 510, 532, 560, 570, 595, 612, 630, 646, 665, 680, 684, 714, 720, 760, 765, 798, 816, 840, 855, 912, 952, 969, 1008, 1020, 1064, 1071, 1140, 1190, 1197, 1224, 1260, 1292, 1330, 1360, 1368, 1428, 1520, 1530, 1596, 1615, 1680, 1710, 1785, 1904, 1938, 1995, 2040, 2128, 2142, 2261, 2280, 2380, 2394, 2448, 2520, 2584, 2660, 2736, 2856, 2907, 3060, 3192, 3230, 3420, 3570, 3876, 3990, 4080, 4284, 4522, 4560, 4760, 4788, 4845, 5040, 5168, 5320, 5355, 5712, 5814, 5985, 6120, 6384, 6460, 6783, 6840, 7140, 7752, 7980, 8568, 9044, 9520, 9576, 9690, 10640, 10710, 11305, 11628, 11970, 12240, 12920, 13566, 13680, 14280, 14535, 15504, 15960, 17136, 18088, 19152, 19380, 20349, 21420, 22610, 23256, 23940, 25840, 27132, 28560, 29070, 31920, 33915, 36176, 38760, 40698, 42840, 45220, 46512, 47880, 54264, 58140, 67830, 77520, 81396, 85680, 90440, 95760, 101745, 108528, 116280, 135660, 162792, 180880, 203490, 232560, 271320, 325584, 406980, 542640, 813960, 1627920]

約数ペア:

[(1, 1627920), (2, 813960), (3, 542640), (4, 406980), (5, 325584), (6, 271320), (7, 232560), (8, 203490), (9, 180880), (10, 162792), (12, 135660), (14, 116280), (15, 108528), (16, 101745), (17, 95760), (18, 90440), (19, 85680), (20, 81396), (21, 77520), (24, 67830), (28, 58140), (30, 54264), (34, 47880), (35, 46512), (36, 45220), (38, 42840), (40, 40698), (42, 38760), (45, 36176), (48, 33915), (51, 31920), (56, 29070), (57, 28560), (60, 27132), (63, 25840), (68, 23940), (70, 23256), (72, 22610), (76, 21420), (80, 20349), (84, 19380), (85, 19152), (90, 18088), (95, 17136), (102, 15960), (105, 15504), (112, 14535), (114, 14280), (119, 13680), (120, 13566), (126, 12920), (133, 12240), (136, 11970), (140, 11628), (144, 11305), (152, 10710), (153, 10640), (168, 9690), (170, 9576), (171, 9520), (180, 9044), (190, 8568), (204, 7980), (210, 7752), (228, 7140), (238, 6840), (240, 6783), (252, 6460), (255, 6384), (266, 6120), (272, 5985), (280, 5814), (285, 5712), (304, 5355), (306, 5320), (315, 5168), (323, 5040), (336, 4845), (340, 4788), (342, 4760), (357, 4560), (360, 4522), (380, 4284), (399, 4080), (408, 3990), (420, 3876), (456, 3570), (476, 3420), (504, 3230), (510, 3192), (532, 3060), (560, 2907), (570, 2856), (595, 2736), (612, 2660), (630, 2584), (646, 2520), (665, 2448), (680, 2394), (684, 2380), (714, 2280), (720, 2261), (760, 2142), (765, 2128), (798, 2040), (816, 1995), (840, 1938), (855, 1904), (912, 1785), (952, 1710), (969, 1680), (1008, 1615), (1020, 1596), (1064, 1530), (1071, 1520), (1140, 1428), (1190, 1368), (1197, 1360), (1224, 1330), (1260, 1292)]