640466410332

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{7603}}^1\times {\mathrm{143263}}^1$

素因数の和:150887

約数の個数: 72

約数和(自身を含む): 1738649611776

約数和(自身を除く): 1098183201444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 7603, 15206, 22809, 30412, 45618, 53221, 91236, 106442, 143263, 159663, 212884, 286526, 319326, 372547, 429789, 573052, 638652, 745094, 859578, 1002841, 1117641, 1490188, 1719156, 2005682, 2235282, 3008523, 4011364, 4470564, 6017046, 7019887, 12034092, 14039774, 21059661, 28079548, 42119322, 84238644, 1089228589, 2178457178, 3267685767, 4356914356, 6535371534, 7624600123, 13070743068, 15249200246, 22873800369, 30498400492, 45747600738, 53372200861, 91495201476, 106744401722, 160116602583, 213488803444, 320233205166, 640466410332]

約数ペア:

[(1, 640466410332), (2, 320233205166), (3, 213488803444), (4, 160116602583), (6, 106744401722), (7, 91495201476), (12, 53372200861), (14, 45747600738), (21, 30498400492), (28, 22873800369), (42, 15249200246), (49, 13070743068), (84, 7624600123), (98, 6535371534), (147, 4356914356), (196, 3267685767), (294, 2178457178), (588, 1089228589), (7603, 84238644), (15206, 42119322), (22809, 28079548), (30412, 21059661), (45618, 14039774), (53221, 12034092), (91236, 7019887), (106442, 6017046), (143263, 4470564), (159663, 4011364), (212884, 3008523), (286526, 2235282), (319326, 2005682), (372547, 1719156), (429789, 1490188), (573052, 1117641), (638652, 1002841), (745094, 859578)]