81890760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:780

約数の個数: 192

約数和(自身を含む): 301233600

約数和(自身を除く): 219342840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 380, 392, 399, 420, 456, 490, 532, 570, 588, 665, 733, 735, 760, 798, 840, 931, 980, 1064, 1140, 1176, 1330, 1466, 1470, 1596, 1862, 1960, 1995, 2199, 2280, 2660, 2793, 2932, 2940, 3192, 3665, 3724, 3990, 4398, 4655, 5131, 5320, 5586, 5864, 5880, 7330, 7448, 7980, 8796, 9310, 10262, 10995, 11172, 13927, 13965, 14660, 15393, 15960, 17592, 18620, 20524, 21990, 22344, 25655, 27854, 27930, 29320, 30786, 35917, 37240, 41048, 41781, 43980, 51310, 55708, 55860, 61572, 69635, 71834, 76965, 83562, 87960, 97489, 102620, 107751, 111416, 111720, 123144, 139270, 143668, 153930, 167124, 179585, 194978, 205240, 208905, 215502, 278540, 287336, 292467, 307860, 334248, 359170, 389956, 417810, 431004, 487445, 538755, 557080, 584934, 615720, 682423, 718340, 779912, 835620, 862008, 974890, 1077510, 1169868, 1364846, 1436680, 1462335, 1671240, 1949780, 2047269, 2155020, 2339736, 2729692, 2924670, 3412115, 3899560, 4094538, 4310040, 5459384, 5849340, 6824230, 8189076, 10236345, 11698680, 13648460, 16378152, 20472690, 27296920, 40945380, 81890760]

約数ペア:

[(1, 81890760), (2, 40945380), (3, 27296920), (4, 20472690), (5, 16378152), (6, 13648460), (7, 11698680), (8, 10236345), (10, 8189076), (12, 6824230), (14, 5849340), (15, 5459384), (19, 4310040), (20, 4094538), (21, 3899560), (24, 3412115), (28, 2924670), (30, 2729692), (35, 2339736), (38, 2155020), (40, 2047269), (42, 1949780), (49, 1671240), (56, 1462335), (57, 1436680), (60, 1364846), (70, 1169868), (76, 1077510), (84, 974890), (95, 862008), (98, 835620), (105, 779912), (114, 718340), (120, 682423), (133, 615720), (140, 584934), (147, 557080), (152, 538755), (168, 487445), (190, 431004), (196, 417810), (210, 389956), (228, 359170), (245, 334248), (266, 307860), (280, 292467), (285, 287336), (294, 278540), (380, 215502), (392, 208905), (399, 205240), (420, 194978), (456, 179585), (490, 167124), (532, 153930), (570, 143668), (588, 139270), (665, 123144), (733, 111720), (735, 111416), (760, 107751), (798, 102620), (840, 97489), (931, 87960), (980, 83562), (1064, 76965), (1140, 71834), (1176, 69635), (1330, 61572), (1466, 55860), (1470, 55708), (1596, 51310), (1862, 43980), (1960, 41781), (1995, 41048), (2199, 37240), (2280, 35917), (2660, 30786), (2793, 29320), (2932, 27930), (2940, 27854), (3192, 25655), (3665, 22344), (3724, 21990), (3990, 20524), (4398, 18620), (4655, 17592), (5131, 15960), (5320, 15393), (5586, 14660), (5864, 13965), (5880, 13927), (7330, 11172), (7448, 10995), (7980, 10262), (8796, 9310)]