156640405840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1294121}}^1$

素因数の和:1294240

約数の個数: 80

約数和(自身を含む): 389944841040

約数和(自身を除く): 233304435200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 680, 712, 890, 1360, 1424, 1513, 1780, 3026, 3560, 6052, 7120, 7565, 12104, 15130, 24208, 30260, 60520, 121040, 1294121, 2588242, 5176484, 6470605, 10352968, 12941210, 20705936, 22000057, 25882420, 44000114, 51764840, 88000228, 103529680, 110000285, 115176769, 176000456, 220000570, 230353538, 352000912, 440001140, 460707076, 575883845, 880002280, 921414152, 1151767690, 1760004560, 1842828304, 1958005073, 2303535380, 3916010146, 4607070760, 7832020292, 9214141520, 9790025365, 15664040584, 19580050730, 31328081168, 39160101460, 78320202920, 156640405840]

約数ペア:

[(1, 156640405840), (2, 78320202920), (4, 39160101460), (5, 31328081168), (8, 19580050730), (10, 15664040584), (16, 9790025365), (17, 9214141520), (20, 7832020292), (34, 4607070760), (40, 3916010146), (68, 2303535380), (80, 1958005073), (85, 1842828304), (89, 1760004560), (136, 1151767690), (170, 921414152), (178, 880002280), (272, 575883845), (340, 460707076), (356, 440001140), (445, 352000912), (680, 230353538), (712, 220000570), (890, 176000456), (1360, 115176769), (1424, 110000285), (1513, 103529680), (1780, 88000228), (3026, 51764840), (3560, 44000114), (6052, 25882420), (7120, 22000057), (7565, 20705936), (12104, 12941210), (15130, 10352968), (24208, 6470605), (30260, 5176484), (60520, 2588242), (121040, 1294121)]