80109440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 209304000

約数和(自身を除く): 129194560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 128, 136, 148, 160, 170, 185, 199, 272, 296, 320, 340, 370, 398, 544, 592, 629, 640, 680, 740, 796, 995, 1088, 1184, 1258, 1360, 1480, 1592, 1990, 2176, 2368, 2516, 2720, 2960, 3145, 3184, 3383, 3980, 4736, 5032, 5440, 5920, 6290, 6368, 6766, 7363, 7960, 10064, 10880, 11840, 12580, 12736, 13532, 14726, 15920, 16915, 20128, 23680, 25160, 25472, 27064, 29452, 31840, 33830, 36815, 40256, 50320, 54128, 58904, 63680, 67660, 73630, 80512, 100640, 108256, 117808, 125171, 127360, 135320, 147260, 201280, 216512, 235616, 250342, 270640, 294520, 402560, 433024, 471232, 500684, 541280, 589040, 625855, 942464, 1001368, 1082560, 1178080, 1251710, 2002736, 2165120, 2356160, 2503420, 4005472, 4712320, 5006840, 8010944, 10013680, 16021888, 20027360, 40054720, 80109440]

約数ペア:

[(1, 80109440), (2, 40054720), (4, 20027360), (5, 16021888), (8, 10013680), (10, 8010944), (16, 5006840), (17, 4712320), (20, 4005472), (32, 2503420), (34, 2356160), (37, 2165120), (40, 2002736), (64, 1251710), (68, 1178080), (74, 1082560), (80, 1001368), (85, 942464), (128, 625855), (136, 589040), (148, 541280), (160, 500684), (170, 471232), (185, 433024), (199, 402560), (272, 294520), (296, 270640), (320, 250342), (340, 235616), (370, 216512), (398, 201280), (544, 147260), (592, 135320), (629, 127360), (640, 125171), (680, 117808), (740, 108256), (796, 100640), (995, 80512), (1088, 73630), (1184, 67660), (1258, 63680), (1360, 58904), (1480, 54128), (1592, 50320), (1990, 40256), (2176, 36815), (2368, 33830), (2516, 31840), (2720, 29452), (2960, 27064), (3145, 25472), (3184, 25160), (3383, 23680), (3980, 20128), (4736, 16915), (5032, 15920), (5440, 14726), (5920, 13532), (6290, 12736), (6368, 12580), (6766, 11840), (7363, 10880), (7960, 10064)]