8246940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 25354560

約数和(自身を除く): 17107620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 109, 130, 156, 194, 195, 218, 260, 291, 327, 388, 390, 436, 485, 545, 582, 654, 780, 970, 1090, 1164, 1261, 1308, 1417, 1455, 1635, 1940, 2180, 2522, 2834, 2910, 3270, 3783, 4251, 5044, 5668, 5820, 6305, 6540, 7085, 7566, 8502, 10573, 12610, 14170, 15132, 17004, 18915, 21146, 21255, 25220, 28340, 31719, 37830, 42292, 42510, 52865, 63438, 75660, 85020, 105730, 126876, 137449, 158595, 211460, 274898, 317190, 412347, 549796, 634380, 687245, 824694, 1374490, 1649388, 2061735, 2748980, 4123470, 8246940]

約数ペア:

[(1, 8246940), (2, 4123470), (3, 2748980), (4, 2061735), (5, 1649388), (6, 1374490), (10, 824694), (12, 687245), (13, 634380), (15, 549796), (20, 412347), (26, 317190), (30, 274898), (39, 211460), (52, 158595), (60, 137449), (65, 126876), (78, 105730), (97, 85020), (109, 75660), (130, 63438), (156, 52865), (194, 42510), (195, 42292), (218, 37830), (260, 31719), (291, 28340), (327, 25220), (388, 21255), (390, 21146), (436, 18915), (485, 17004), (545, 15132), (582, 14170), (654, 12610), (780, 10573), (970, 8502), (1090, 7566), (1164, 7085), (1261, 6540), (1308, 6305), (1417, 5820), (1455, 5668), (1635, 5044), (1940, 4251), (2180, 3783), (2522, 3270), (2834, 2910)]