8241720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 24930720

約数和(自身を除く): 16689000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 397, 519, 692, 794, 865, 1038, 1191, 1384, 1588, 1730, 1985, 2076, 2382, 2595, 3176, 3460, 3970, 4152, 4764, 5190, 5955, 6920, 7940, 9528, 10380, 11910, 15880, 20760, 23820, 47640, 68681, 137362, 206043, 274724, 343405, 412086, 549448, 686810, 824172, 1030215, 1373620, 1648344, 2060430, 2747240, 4120860, 8241720]

約数ペア:

[(1, 8241720), (2, 4120860), (3, 2747240), (4, 2060430), (5, 1648344), (6, 1373620), (8, 1030215), (10, 824172), (12, 686810), (15, 549448), (20, 412086), (24, 343405), (30, 274724), (40, 206043), (60, 137362), (120, 68681), (173, 47640), (346, 23820), (397, 20760), (519, 15880), (692, 11910), (794, 10380), (865, 9528), (1038, 7940), (1191, 6920), (1384, 5955), (1588, 5190), (1730, 4764), (1985, 4152), (2076, 3970), (2382, 3460), (2595, 3176)]