7804890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 21064320

約数和(自身を除く): 13259430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 137, 211, 270, 274, 411, 422, 633, 685, 822, 1055, 1233, 1266, 1370, 1899, 2055, 2110, 2466, 3165, 3699, 3798, 4110, 5697, 6165, 6330, 7398, 9495, 11394, 12330, 18495, 18990, 28485, 28907, 36990, 56970, 57814, 86721, 144535, 173442, 260163, 289070, 433605, 520326, 780489, 867210, 1300815, 1560978, 2601630, 3902445, 7804890]

約数ペア:

[(1, 7804890), (2, 3902445), (3, 2601630), (5, 1560978), (6, 1300815), (9, 867210), (10, 780489), (15, 520326), (18, 433605), (27, 289070), (30, 260163), (45, 173442), (54, 144535), (90, 86721), (135, 57814), (137, 56970), (211, 36990), (270, 28907), (274, 28485), (411, 18990), (422, 18495), (633, 12330), (685, 11394), (822, 9495), (1055, 7398), (1233, 6330), (1266, 6165), (1370, 5697), (1899, 4110), (2055, 3798), (2110, 3699), (2466, 3165)]