156978380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:823

約数の個数: 96

約数和(自身を含む): 382905600

約数和(自身を除く): 225927220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 130, 172, 190, 215, 247, 260, 380, 430, 494, 559, 739, 817, 860, 988, 1118, 1235, 1478, 1634, 2236, 2470, 2795, 2956, 3268, 3695, 4085, 4940, 5590, 7390, 8170, 9607, 10621, 11180, 14041, 14780, 16340, 19214, 21242, 28082, 31777, 38428, 42484, 48035, 53105, 56164, 63554, 70205, 96070, 106210, 127108, 140410, 158885, 182533, 192140, 212420, 280820, 317770, 365066, 413101, 603763, 635540, 730132, 826202, 912665, 1207526, 1652404, 1825330, 2065505, 2415052, 3018815, 3650660, 4131010, 6037630, 7848919, 8262020, 12075260, 15697838, 31395676, 39244595, 78489190, 156978380]

約数ペア:

[(1, 156978380), (2, 78489190), (4, 39244595), (5, 31395676), (10, 15697838), (13, 12075260), (19, 8262020), (20, 7848919), (26, 6037630), (38, 4131010), (43, 3650660), (52, 3018815), (65, 2415052), (76, 2065505), (86, 1825330), (95, 1652404), (130, 1207526), (172, 912665), (190, 826202), (215, 730132), (247, 635540), (260, 603763), (380, 413101), (430, 365066), (494, 317770), (559, 280820), (739, 212420), (817, 192140), (860, 182533), (988, 158885), (1118, 140410), (1235, 127108), (1478, 106210), (1634, 96070), (2236, 70205), (2470, 63554), (2795, 56164), (2956, 53105), (3268, 48035), (3695, 42484), (4085, 38428), (4940, 31777), (5590, 28082), (7390, 21242), (8170, 19214), (9607, 16340), (10621, 14780), (11180, 14041)]