155570240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:572

約数の個数: 112

約数和(自身を含む): 426720000

約数和(自身を除く): 271149760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 199, 224, 280, 320, 349, 398, 448, 560, 698, 796, 995, 1120, 1393, 1396, 1592, 1745, 1990, 2240, 2443, 2786, 2792, 3184, 3490, 3980, 4886, 5572, 5584, 6368, 6965, 6980, 7960, 9772, 11144, 11168, 12215, 12736, 13930, 13960, 15920, 19544, 22288, 22336, 24430, 27860, 27920, 31840, 39088, 44576, 48860, 55720, 55840, 63680, 69451, 78176, 89152, 97720, 111440, 111680, 138902, 156352, 195440, 222880, 277804, 347255, 390880, 445760, 486157, 555608, 694510, 781760, 972314, 1111216, 1389020, 1944628, 2222432, 2430785, 2778040, 3889256, 4444864, 4861570, 5556080, 7778512, 9723140, 11112160, 15557024, 19446280, 22224320, 31114048, 38892560, 77785120, 155570240]

約数ペア:

[(1, 155570240), (2, 77785120), (4, 38892560), (5, 31114048), (7, 22224320), (8, 19446280), (10, 15557024), (14, 11112160), (16, 9723140), (20, 7778512), (28, 5556080), (32, 4861570), (35, 4444864), (40, 3889256), (56, 2778040), (64, 2430785), (70, 2222432), (80, 1944628), (112, 1389020), (140, 1111216), (160, 972314), (199, 781760), (224, 694510), (280, 555608), (320, 486157), (349, 445760), (398, 390880), (448, 347255), (560, 277804), (698, 222880), (796, 195440), (995, 156352), (1120, 138902), (1393, 111680), (1396, 111440), (1592, 97720), (1745, 89152), (1990, 78176), (2240, 69451), (2443, 63680), (2786, 55840), (2792, 55720), (3184, 48860), (3490, 44576), (3980, 39088), (4886, 31840), (5572, 27920), (5584, 27860), (6368, 24430), (6965, 22336), (6980, 22288), (7960, 19544), (9772, 15920), (11144, 13960), (11168, 13930), (12215, 12736)]