156789328780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3720677}}^1$

素因数の和:3720743

約数の個数: 72

約数和(自身を含む): 391921337808

約数和(自身を除く): 235132009028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 8428, 10535, 21070, 42140, 3720677, 7441354, 14882708, 18603385, 26044739, 37206770, 52089478, 74413540, 104178956, 130223695, 159989111, 182313173, 260447390, 319978222, 364626346, 520894780, 639956444, 729252692, 799945555, 911565865, 1119923777, 1599891110, 1823131730, 2239847554, 3199782220, 3646263460, 4479695108, 5599618885, 7839466439, 11199237770, 15678932878, 22398475540, 31357865756, 39197332195, 78394664390, 156789328780]

約数ペア:

[(1, 156789328780), (2, 78394664390), (4, 39197332195), (5, 31357865756), (7, 22398475540), (10, 15678932878), (14, 11199237770), (20, 7839466439), (28, 5599618885), (35, 4479695108), (43, 3646263460), (49, 3199782220), (70, 2239847554), (86, 1823131730), (98, 1599891110), (140, 1119923777), (172, 911565865), (196, 799945555), (215, 729252692), (245, 639956444), (301, 520894780), (430, 364626346), (490, 319978222), (602, 260447390), (860, 182313173), (980, 159989111), (1204, 130223695), (1505, 104178956), (2107, 74413540), (3010, 52089478), (4214, 37206770), (6020, 26044739), (8428, 18603385), (10535, 14882708), (21070, 7441354), (42140, 3720677)]