17843720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 41783040

約数和(自身を除く): 23939320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 103, 122, 142, 206, 244, 284, 305, 355, 412, 488, 515, 568, 610, 710, 824, 1030, 1220, 1420, 2060, 2440, 2840, 4120, 4331, 6283, 7313, 8662, 12566, 14626, 17324, 21655, 25132, 29252, 31415, 34648, 36565, 43310, 50264, 58504, 62830, 73130, 86620, 125660, 146260, 173240, 251320, 292520, 446093, 892186, 1784372, 2230465, 3568744, 4460930, 8921860, 17843720]

約数ペア:

[(1, 17843720), (2, 8921860), (4, 4460930), (5, 3568744), (8, 2230465), (10, 1784372), (20, 892186), (40, 446093), (61, 292520), (71, 251320), (103, 173240), (122, 146260), (142, 125660), (206, 86620), (244, 73130), (284, 62830), (305, 58504), (355, 50264), (412, 43310), (488, 36565), (515, 34648), (568, 31415), (610, 29252), (710, 25132), (824, 21655), (1030, 17324), (1220, 14626), (1420, 12566), (2060, 8662), (2440, 7313), (2840, 6283), (4120, 4331)]