1720787510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{1429}}^1$

素因数の和:1665

約数の個数: 64

約数和(自身を含む): 3416212800

約数和(自身を除く): 1695425290

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 157, 295, 314, 590, 767, 785, 1429, 1534, 1570, 2041, 2858, 3835, 4082, 7145, 7670, 9263, 10205, 14290, 18526, 18577, 20410, 37154, 46315, 84311, 92630, 92885, 120419, 168622, 185770, 224353, 240838, 421555, 448706, 602095, 843110, 1096043, 1121765, 1204190, 2192086, 2243530, 2916589, 5480215, 5833178, 10960430, 13236827, 14582945, 26473654, 29165890, 66184135, 132368270, 172078751, 344157502, 860393755, 1720787510]

約数ペア:

[(1, 1720787510), (2, 860393755), (5, 344157502), (10, 172078751), (13, 132368270), (26, 66184135), (59, 29165890), (65, 26473654), (118, 14582945), (130, 13236827), (157, 10960430), (295, 5833178), (314, 5480215), (590, 2916589), (767, 2243530), (785, 2192086), (1429, 1204190), (1534, 1121765), (1570, 1096043), (2041, 843110), (2858, 602095), (3835, 448706), (4082, 421555), (7145, 240838), (7670, 224353), (9263, 185770), (10205, 168622), (14290, 120419), (18526, 92885), (18577, 92630), (20410, 84311), (37154, 46315)]