821147840

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:191

約数の個数: 224

約数和(自身を含む): 2177003520

約数和(自身を除く): 1355855680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 59, 61, 62, 64, 80, 92, 115, 118, 122, 124, 155, 160, 184, 230, 236, 244, 248, 295, 305, 310, 320, 368, 460, 472, 488, 496, 590, 610, 620, 713, 736, 920, 944, 976, 992, 1180, 1220, 1240, 1357, 1403, 1426, 1472, 1829, 1840, 1888, 1891, 1952, 1984, 2360, 2440, 2480, 2714, 2806, 2852, 3565, 3599, 3658, 3680, 3776, 3782, 3904, 4720, 4880, 4960, 5428, 5612, 5704, 6785, 7015, 7130, 7198, 7316, 7360, 7564, 9145, 9440, 9455, 9760, 9920, 10856, 11224, 11408, 13570, 14030, 14260, 14396, 14632, 15128, 17995, 18290, 18880, 18910, 19520, 21712, 22448, 22816, 27140, 28060, 28520, 28792, 29264, 30256, 35990, 36580, 37820, 42067, 43424, 43493, 44896, 45632, 54280, 56120, 57040, 57584, 58528, 60512, 71980, 73160, 75640, 82777, 84134, 86848, 86986, 89792, 108560, 111569, 112240, 114080, 115168, 117056, 121024, 143960, 146320, 151280, 165554, 168268, 173972, 210335, 217120, 217465, 223138, 224480, 228160, 230336, 287920, 292640, 302560, 331108, 336536, 347944, 413885, 420670, 434240, 434930, 446276, 448960, 557845, 575840, 585280, 605120, 662216, 673072, 695888, 827770, 841340, 869860, 892552, 1115690, 1151680, 1324432, 1346144, 1391776, 1655540, 1682680, 1739720, 1785104, 2231380, 2566087, 2648864, 2692288, 2783552, 3311080, 3365360, 3479440, 3570208, 4462760, 5132174, 5297728, 6622160, 6730720, 6958880, 7140416, 8925520, 10264348, 12830435, 13244320, 13461440, 13917760, 17851040, 20528696, 25660870, 26488640, 35702080, 41057392, 51321740, 82114784, 102643480, 164229568, 205286960, 410573920, 821147840]

約数ペア:

[(1, 821147840), (2, 410573920), (4, 205286960), (5, 164229568), (8, 102643480), (10, 82114784), (16, 51321740), (20, 41057392), (23, 35702080), (31, 26488640), (32, 25660870), (40, 20528696), (46, 17851040), (59, 13917760), (61, 13461440), (62, 13244320), (64, 12830435), (80, 10264348), (92, 8925520), (115, 7140416), (118, 6958880), (122, 6730720), (124, 6622160), (155, 5297728), (160, 5132174), (184, 4462760), (230, 3570208), (236, 3479440), (244, 3365360), (248, 3311080), (295, 2783552), (305, 2692288), (310, 2648864), (320, 2566087), (368, 2231380), (460, 1785104), (472, 1739720), (488, 1682680), (496, 1655540), (590, 1391776), (610, 1346144), (620, 1324432), (713, 1151680), (736, 1115690), (920, 892552), (944, 869860), (976, 841340), (992, 827770), (1180, 695888), (1220, 673072), (1240, 662216), (1357, 605120), (1403, 585280), (1426, 575840), (1472, 557845), (1829, 448960), (1840, 446276), (1888, 434930), (1891, 434240), (1952, 420670), (1984, 413885), (2360, 347944), (2440, 336536), (2480, 331108), (2714, 302560), (2806, 292640), (2852, 287920), (3565, 230336), (3599, 228160), (3658, 224480), (3680, 223138), (3776, 217465), (3782, 217120), (3904, 210335), (4720, 173972), (4880, 168268), (4960, 165554), (5428, 151280), (5612, 146320), (5704, 143960), (6785, 121024), (7015, 117056), (7130, 115168), (7198, 114080), (7316, 112240), (7360, 111569), (7564, 108560), (9145, 89792), (9440, 86986), (9455, 86848), (9760, 84134), (9920, 82777), (10856, 75640), (11224, 73160), (11408, 71980), (13570, 60512), (14030, 58528), (14260, 57584), (14396, 57040), (14632, 56120), (15128, 54280), (17995, 45632), (18290, 44896), (18880, 43493), (18910, 43424), (19520, 42067), (21712, 37820), (22448, 36580), (22816, 35990), (27140, 30256), (28060, 29264), (28520, 28792)]