67219020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2040

約数の個数: 144

約数和(自身を含む): 235636128

約数和(自身を除く): 168417108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 660, 748, 765, 935, 990, 1020, 1122, 1530, 1683, 1870, 1980, 1997, 2244, 2805, 3060, 3366, 3740, 3994, 5610, 5991, 6732, 7988, 8415, 9985, 11220, 11982, 16830, 17973, 19970, 21967, 23964, 29955, 33660, 33949, 35946, 39940, 43934, 59910, 65901, 67898, 71892, 87868, 89865, 101847, 109835, 119820, 131802, 135796, 169745, 179730, 197703, 203694, 219670, 263604, 305541, 329505, 339490, 359460, 373439, 395406, 407388, 439340, 509235, 611082, 659010, 678980, 746878, 790812, 988515, 1018470, 1120317, 1222164, 1318020, 1493756, 1527705, 1867195, 1977030, 2036940, 2240634, 3055410, 3360951, 3734390, 3954060, 4481268, 5601585, 6110820, 6721902, 7468780, 11203170, 13443804, 16804755, 22406340, 33609510, 67219020]

約数ペア:

[(1, 67219020), (2, 33609510), (3, 22406340), (4, 16804755), (5, 13443804), (6, 11203170), (9, 7468780), (10, 6721902), (11, 6110820), (12, 5601585), (15, 4481268), (17, 3954060), (18, 3734390), (20, 3360951), (22, 3055410), (30, 2240634), (33, 2036940), (34, 1977030), (36, 1867195), (44, 1527705), (45, 1493756), (51, 1318020), (55, 1222164), (60, 1120317), (66, 1018470), (68, 988515), (85, 790812), (90, 746878), (99, 678980), (102, 659010), (110, 611082), (132, 509235), (153, 439340), (165, 407388), (170, 395406), (180, 373439), (187, 359460), (198, 339490), (204, 329505), (220, 305541), (255, 263604), (306, 219670), (330, 203694), (340, 197703), (374, 179730), (396, 169745), (495, 135796), (510, 131802), (561, 119820), (612, 109835), (660, 101847), (748, 89865), (765, 87868), (935, 71892), (990, 67898), (1020, 65901), (1122, 59910), (1530, 43934), (1683, 39940), (1870, 35946), (1980, 33949), (1997, 33660), (2244, 29955), (2805, 23964), (3060, 21967), (3366, 19970), (3740, 17973), (3994, 16830), (5610, 11982), (5991, 11220), (6732, 9985), (7988, 8415)]