123966990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:743

約数の個数: 128

約数和(自身を含む): 381957120

約数和(自身を除く): 257990130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 107, 126, 135, 189, 210, 214, 270, 315, 321, 378, 535, 613, 630, 642, 749, 945, 963, 1070, 1226, 1498, 1605, 1839, 1890, 1926, 2247, 2889, 3065, 3210, 3678, 3745, 4291, 4494, 4815, 5517, 5778, 6130, 6741, 7490, 8582, 9195, 9630, 11034, 11235, 12873, 13482, 14445, 16551, 18390, 20223, 21455, 22470, 25746, 27585, 28890, 33102, 33705, 38619, 40446, 42910, 55170, 64365, 65591, 67410, 77238, 82755, 101115, 115857, 128730, 131182, 165510, 193095, 196773, 202230, 231714, 327955, 386190, 393546, 459137, 579285, 590319, 655910, 918274, 983865, 1158570, 1180638, 1377411, 1770957, 1967730, 2295685, 2754822, 2951595, 3541914, 4132233, 4591370, 5903190, 6887055, 8264466, 8854785, 12396699, 13774110, 17709570, 20661165, 24793398, 41322330, 61983495, 123966990]

約数ペア:

[(1, 123966990), (2, 61983495), (3, 41322330), (5, 24793398), (6, 20661165), (7, 17709570), (9, 13774110), (10, 12396699), (14, 8854785), (15, 8264466), (18, 6887055), (21, 5903190), (27, 4591370), (30, 4132233), (35, 3541914), (42, 2951595), (45, 2754822), (54, 2295685), (63, 1967730), (70, 1770957), (90, 1377411), (105, 1180638), (107, 1158570), (126, 983865), (135, 918274), (189, 655910), (210, 590319), (214, 579285), (270, 459137), (315, 393546), (321, 386190), (378, 327955), (535, 231714), (613, 202230), (630, 196773), (642, 193095), (749, 165510), (945, 131182), (963, 128730), (1070, 115857), (1226, 101115), (1498, 82755), (1605, 77238), (1839, 67410), (1890, 65591), (1926, 64365), (2247, 55170), (2889, 42910), (3065, 40446), (3210, 38619), (3678, 33705), (3745, 33102), (4291, 28890), (4494, 27585), (4815, 25746), (5517, 22470), (5778, 21455), (6130, 20223), (6741, 18390), (7490, 16551), (8582, 14445), (9195, 13482), (9630, 12873), (11034, 11235)]