161236660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 388362240

約数和(自身を除く): 227125580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 127, 130, 190, 247, 254, 257, 260, 380, 494, 508, 514, 635, 988, 1028, 1235, 1270, 1285, 1651, 2413, 2470, 2540, 2570, 3302, 3341, 4826, 4883, 4940, 5140, 6604, 6682, 8255, 9652, 9766, 12065, 13364, 16510, 16705, 19532, 24130, 24415, 31369, 32639, 33020, 33410, 48260, 48830, 62738, 63479, 65278, 66820, 97660, 125476, 126958, 130556, 156845, 163195, 253916, 313690, 317395, 326390, 424307, 620141, 627380, 634790, 652780, 848614, 1240282, 1269580, 1697228, 2121535, 2480564, 3100705, 4243070, 6201410, 8061833, 8486140, 12402820, 16123666, 32247332, 40309165, 80618330, 161236660]

約数ペア:

[(1, 161236660), (2, 80618330), (4, 40309165), (5, 32247332), (10, 16123666), (13, 12402820), (19, 8486140), (20, 8061833), (26, 6201410), (38, 4243070), (52, 3100705), (65, 2480564), (76, 2121535), (95, 1697228), (127, 1269580), (130, 1240282), (190, 848614), (247, 652780), (254, 634790), (257, 627380), (260, 620141), (380, 424307), (494, 326390), (508, 317395), (514, 313690), (635, 253916), (988, 163195), (1028, 156845), (1235, 130556), (1270, 126958), (1285, 125476), (1651, 97660), (2413, 66820), (2470, 65278), (2540, 63479), (2570, 62738), (3302, 48830), (3341, 48260), (4826, 33410), (4883, 33020), (4940, 32639), (5140, 31369), (6604, 24415), (6682, 24130), (8255, 19532), (9652, 16705), (9766, 16510), (12065, 13364)]