160218880

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 419428800

約数和(自身を除く): 259209920

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, 256, 272, 296, 320, 340, 370, 398, 544, 592, 629, 640, 680, 740, 796, 995, 1088, 1184, 1258, 1280, 1360, 1480, 1592, 1990, 2176, 2368, 2516, 2720, 2960, 3145, 3184, 3383, 3980, 4352, 4736, 5032, 5440, 5920, 6290, 6368, 6766, 7363, 7960, 9472, 10064, 10880, 11840, 12580, 12736, 13532, 14726, 15920, 16915, 20128, 21760, 23680, 25160, 25472, 27064, 29452, 31840, 33830, 36815, 40256, 47360, 50320, 50944, 54128, 58904, 63680, 67660, 73630, 80512, 100640, 108256, 117808, 125171, 127360, 135320, 147260, 161024, 201280, 216512, 235616, 250342, 254720, 270640, 294520, 402560, 433024, 471232, 500684, 541280, 589040, 625855, 805120, 866048, 942464, 1001368, 1082560, 1178080, 1251710, 1884928, 2002736, 2165120, 2356160, 2503420, 4005472, 4330240, 4712320, 5006840, 8010944, 9424640, 10013680, 16021888, 20027360, 32043776, 40054720, 80109440, 160218880]

約数ペア:

[(1, 160218880), (2, 80109440), (4, 40054720), (5, 32043776), (8, 20027360), (10, 16021888), (16, 10013680), (17, 9424640), (20, 8010944), (32, 5006840), (34, 4712320), (37, 4330240), (40, 4005472), (64, 2503420), (68, 2356160), (74, 2165120), (80, 2002736), (85, 1884928), (128, 1251710), (136, 1178080), (148, 1082560), (160, 1001368), (170, 942464), (185, 866048), (199, 805120), (256, 625855), (272, 589040), (296, 541280), (320, 500684), (340, 471232), (370, 433024), (398, 402560), (544, 294520), (592, 270640), (629, 254720), (640, 250342), (680, 235616), (740, 216512), (796, 201280), (995, 161024), (1088, 147260), (1184, 135320), (1258, 127360), (1280, 125171), (1360, 117808), (1480, 108256), (1592, 100640), (1990, 80512), (2176, 73630), (2368, 67660), (2516, 63680), (2720, 58904), (2960, 54128), (3145, 50944), (3184, 50320), (3383, 47360), (3980, 40256), (4352, 36815), (4736, 33830), (5032, 31840), (5440, 29452), (5920, 27064), (6290, 25472), (6368, 25160), (6766, 23680), (7363, 21760), (7960, 20128), (9472, 16915), (10064, 15920), (10880, 14726), (11840, 13532), (12580, 12736)]