813960

素因数分解:

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

素因数の和:60

約数の個数: 192

約数和(自身を含む): 3369600

約数和(自身を除く): 2555640

約数列:

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

約数ペア:

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