128400320

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23603}}^1$

素因数の和:23637

約数の個数: 56

約数和(自身を含む): 323752464

約数和(自身を除く): 195352144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 23603, 47206, 94412, 118015, 188824, 236030, 377648, 401251, 472060, 755296, 802502, 944120, 1510592, 1605004, 1888240, 2006255, 3210008, 3776480, 4012510, 6420016, 7552960, 8025020, 12840032, 16050040, 25680064, 32100080, 64200160, 128400320]

約数ペア:

[(1, 128400320), (2, 64200160), (4, 32100080), (5, 25680064), (8, 16050040), (10, 12840032), (16, 8025020), (17, 7552960), (20, 6420016), (32, 4012510), (34, 3776480), (40, 3210008), (64, 2006255), (68, 1888240), (80, 1605004), (85, 1510592), (136, 944120), (160, 802502), (170, 755296), (272, 472060), (320, 401251), (340, 377648), (544, 236030), (680, 188824), (1088, 118015), (1360, 94412), (2720, 47206), (5440, 23603)]