7761720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 23639040

約数和(自身を除く): 15877320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 911, 1065, 1420, 1704, 1822, 2130, 2733, 2840, 3644, 4260, 4555, 5466, 7288, 8520, 9110, 10932, 13665, 18220, 21864, 27330, 36440, 54660, 64681, 109320, 129362, 194043, 258724, 323405, 388086, 517448, 646810, 776172, 970215, 1293620, 1552344, 1940430, 2587240, 3880860, 7761720]

約数ペア:

[(1, 7761720), (2, 3880860), (3, 2587240), (4, 1940430), (5, 1552344), (6, 1293620), (8, 970215), (10, 776172), (12, 646810), (15, 517448), (20, 388086), (24, 323405), (30, 258724), (40, 194043), (60, 129362), (71, 109320), (120, 64681), (142, 54660), (213, 36440), (284, 27330), (355, 21864), (426, 18220), (568, 13665), (710, 10932), (852, 9110), (911, 8520), (1065, 7288), (1420, 5466), (1704, 4555), (1822, 4260), (2130, 3644), (2733, 2840)]