15123040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3049}}^1$

素因数の和:3095

約数の個数: 48

約数和(自身を含む): 36892800

約数和(自身を除く): 21769760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3049, 4960, 6098, 12196, 15245, 24392, 30490, 48784, 60980, 94519, 97568, 121960, 189038, 243920, 378076, 472595, 487840, 756152, 945190, 1512304, 1890380, 3024608, 3780760, 7561520, 15123040]

約数ペア:

[(1, 15123040), (2, 7561520), (4, 3780760), (5, 3024608), (8, 1890380), (10, 1512304), (16, 945190), (20, 756152), (31, 487840), (32, 472595), (40, 378076), (62, 243920), (80, 189038), (124, 121960), (155, 97568), (160, 94519), (248, 60980), (310, 48784), (496, 30490), (620, 24392), (992, 15245), (1240, 12196), (2480, 6098), (3049, 4960)]