19170720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13313}}^1$

素因数の和:13334

約数の個数: 72

約数和(自身を含む): 65424996

約数和(自身を除く): 46254276

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13313, 26626, 39939, 53252, 66565, 79878, 106504, 119817, 133130, 159756, 199695, 213008, 239634, 266260, 319512, 399390, 426016, 479268, 532520, 599085, 639024, 798780, 958536, 1065040, 1198170, 1278048, 1597560, 1917072, 2130080, 2396340, 3195120, 3834144, 4792680, 6390240, 9585360, 19170720]

約数ペア:

[(1, 19170720), (2, 9585360), (3, 6390240), (4, 4792680), (5, 3834144), (6, 3195120), (8, 2396340), (9, 2130080), (10, 1917072), (12, 1597560), (15, 1278048), (16, 1198170), (18, 1065040), (20, 958536), (24, 798780), (30, 639024), (32, 599085), (36, 532520), (40, 479268), (45, 426016), (48, 399390), (60, 319512), (72, 266260), (80, 239634), (90, 213008), (96, 199695), (120, 159756), (144, 133130), (160, 119817), (180, 106504), (240, 79878), (288, 66565), (360, 53252), (480, 39939), (720, 26626), (1440, 13313)]