211530540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:968

約数の個数: 144

約数和(自身を含む): 669973248

約数和(自身を除く): 458442708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 169, 195, 230, 260, 276, 299, 338, 345, 390, 460, 507, 598, 676, 690, 780, 845, 897, 907, 1014, 1196, 1380, 1495, 1690, 1794, 1814, 2028, 2535, 2721, 2990, 3380, 3588, 3628, 3887, 4485, 4535, 5070, 5442, 5980, 7774, 8970, 9070, 10140, 10884, 11661, 11791, 13605, 15548, 17940, 18140, 19435, 20861, 23322, 23582, 27210, 35373, 38870, 41722, 46644, 47164, 54420, 58305, 58955, 62583, 70746, 77740, 83444, 104305, 116610, 117910, 125166, 141492, 153283, 176865, 208610, 233220, 235820, 250332, 271193, 306566, 312915, 353730, 417220, 459849, 542386, 613132, 625830, 707460, 766415, 813579, 919698, 1084772, 1251660, 1355965, 1532830, 1627158, 1839396, 2299245, 2711930, 3065660, 3254316, 3525509, 4067895, 4598490, 5423860, 7051018, 8135790, 9196980, 10576527, 14102036, 16271580, 17627545, 21153054, 35255090, 42306108, 52882635, 70510180, 105765270, 211530540]

約数ペア:

[(1, 211530540), (2, 105765270), (3, 70510180), (4, 52882635), (5, 42306108), (6, 35255090), (10, 21153054), (12, 17627545), (13, 16271580), (15, 14102036), (20, 10576527), (23, 9196980), (26, 8135790), (30, 7051018), (39, 5423860), (46, 4598490), (52, 4067895), (60, 3525509), (65, 3254316), (69, 3065660), (78, 2711930), (92, 2299245), (115, 1839396), (130, 1627158), (138, 1532830), (156, 1355965), (169, 1251660), (195, 1084772), (230, 919698), (260, 813579), (276, 766415), (299, 707460), (338, 625830), (345, 613132), (390, 542386), (460, 459849), (507, 417220), (598, 353730), (676, 312915), (690, 306566), (780, 271193), (845, 250332), (897, 235820), (907, 233220), (1014, 208610), (1196, 176865), (1380, 153283), (1495, 141492), (1690, 125166), (1794, 117910), (1814, 116610), (2028, 104305), (2535, 83444), (2721, 77740), (2990, 70746), (3380, 62583), (3588, 58955), (3628, 58305), (3887, 54420), (4485, 47164), (4535, 46644), (5070, 41722), (5442, 38870), (5980, 35373), (7774, 27210), (8970, 23582), (9070, 23322), (10140, 20861), (10884, 19435), (11661, 18140), (11791, 17940), (13605, 15548)]