161956340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 451132416

約数和(自身を除く): 289176076

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 53, 65, 70, 73, 91, 92, 106, 115, 130, 140, 146, 161, 182, 212, 230, 260, 265, 292, 299, 322, 364, 365, 371, 455, 460, 511, 530, 598, 644, 689, 730, 742, 805, 910, 949, 1022, 1060, 1196, 1219, 1378, 1460, 1484, 1495, 1610, 1679, 1820, 1855, 1898, 2044, 2093, 2438, 2555, 2756, 2990, 3220, 3358, 3445, 3710, 3796, 3869, 4186, 4745, 4823, 4876, 5110, 5980, 6095, 6643, 6716, 6890, 7420, 7738, 8372, 8395, 8533, 9490, 9646, 10220, 10465, 11753, 12190, 13286, 13780, 15476, 15847, 16790, 17066, 18980, 19292, 19345, 20930, 21827, 23506, 24115, 24380, 26572, 27083, 31694, 33215, 33580, 34132, 38690, 41860, 42665, 43654, 47012, 48230, 50297, 54166, 58765, 63388, 66430, 77380, 79235, 85330, 87308, 88987, 96460, 100594, 108332, 109135, 110929, 117530, 132860, 135415, 152789, 158470, 170660, 177974, 201188, 218270, 221858, 235060, 251485, 270830, 305578, 316940, 352079, 355948, 436540, 443716, 444935, 502970, 541660, 554645, 611156, 622909, 704158, 763945, 889870, 1005940, 1109290, 1156831, 1245818, 1408316, 1527890, 1760395, 1779740, 2218580, 2313662, 2491636, 3055780, 3114545, 3520790, 4627324, 5784155, 6229090, 7041580, 8097817, 11568310, 12458180, 16195634, 23136620, 32391268, 40489085, 80978170, 161956340]

約数ペア:

[(1, 161956340), (2, 80978170), (4, 40489085), (5, 32391268), (7, 23136620), (10, 16195634), (13, 12458180), (14, 11568310), (20, 8097817), (23, 7041580), (26, 6229090), (28, 5784155), (35, 4627324), (46, 3520790), (52, 3114545), (53, 3055780), (65, 2491636), (70, 2313662), (73, 2218580), (91, 1779740), (92, 1760395), (106, 1527890), (115, 1408316), (130, 1245818), (140, 1156831), (146, 1109290), (161, 1005940), (182, 889870), (212, 763945), (230, 704158), (260, 622909), (265, 611156), (292, 554645), (299, 541660), (322, 502970), (364, 444935), (365, 443716), (371, 436540), (455, 355948), (460, 352079), (511, 316940), (530, 305578), (598, 270830), (644, 251485), (689, 235060), (730, 221858), (742, 218270), (805, 201188), (910, 177974), (949, 170660), (1022, 158470), (1060, 152789), (1196, 135415), (1219, 132860), (1378, 117530), (1460, 110929), (1484, 109135), (1495, 108332), (1610, 100594), (1679, 96460), (1820, 88987), (1855, 87308), (1898, 85330), (2044, 79235), (2093, 77380), (2438, 66430), (2555, 63388), (2756, 58765), (2990, 54166), (3220, 50297), (3358, 48230), (3445, 47012), (3710, 43654), (3796, 42665), (3869, 41860), (4186, 38690), (4745, 34132), (4823, 33580), (4876, 33215), (5110, 31694), (5980, 27083), (6095, 26572), (6643, 24380), (6716, 24115), (6890, 23506), (7420, 21827), (7738, 20930), (8372, 19345), (8395, 19292), (8533, 18980), (9490, 17066), (9646, 16790), (10220, 15847), (10465, 15476), (11753, 13780), (12190, 13286)]