2791740

素因数分解:

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

素因数の和:76

約数の個数: 144

約数和(自身を含む): 9902592

約数和(自身を除く): 7110852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 23, 28, 30, 34, 35, 42, 46, 51, 60, 68, 69, 70, 84, 85, 92, 102, 105, 115, 119, 138, 140, 161, 170, 204, 210, 230, 238, 255, 276, 289, 322, 340, 345, 357, 391, 420, 460, 476, 483, 510, 578, 595, 644, 690, 714, 782, 805, 867, 966, 1020, 1156, 1173, 1190, 1380, 1428, 1445, 1564, 1610, 1734, 1785, 1932, 1955, 2023, 2346, 2380, 2415, 2737, 2890, 3220, 3468, 3570, 3910, 4046, 4335, 4692, 4830, 5474, 5780, 5865, 6069, 6647, 7140, 7820, 8092, 8211, 8670, 9660, 10115, 10948, 11730, 12138, 13294, 13685, 16422, 17340, 19941, 20230, 23460, 24276, 26588, 27370, 30345, 32844, 33235, 39882, 40460, 41055, 46529, 54740, 60690, 66470, 79764, 82110, 93058, 99705, 121380, 132940, 139587, 164220, 186116, 199410, 232645, 279174, 398820, 465290, 558348, 697935, 930580, 1395870, 2791740]

約数ペア:

[(1, 2791740), (2, 1395870), (3, 930580), (4, 697935), (5, 558348), (6, 465290), (7, 398820), (10, 279174), (12, 232645), (14, 199410), (15, 186116), (17, 164220), (20, 139587), (21, 132940), (23, 121380), (28, 99705), (30, 93058), (34, 82110), (35, 79764), (42, 66470), (46, 60690), (51, 54740), (60, 46529), (68, 41055), (69, 40460), (70, 39882), (84, 33235), (85, 32844), (92, 30345), (102, 27370), (105, 26588), (115, 24276), (119, 23460), (138, 20230), (140, 19941), (161, 17340), (170, 16422), (204, 13685), (210, 13294), (230, 12138), (238, 11730), (255, 10948), (276, 10115), (289, 9660), (322, 8670), (340, 8211), (345, 8092), (357, 7820), (391, 7140), (420, 6647), (460, 6069), (476, 5865), (483, 5780), (510, 5474), (578, 4830), (595, 4692), (644, 4335), (690, 4046), (714, 3910), (782, 3570), (805, 3468), (867, 3220), (966, 2890), (1020, 2737), (1156, 2415), (1173, 2380), (1190, 2346), (1380, 2023), (1428, 1955), (1445, 1932), (1564, 1785), (1610, 1734)]