161537740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:296

約数の個数: 192

約数和(自身を含む): 463325184

約数和(自身を除く): 301787444

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 23, 26, 28, 34, 35, 46, 52, 65, 68, 70, 85, 91, 92, 115, 119, 130, 140, 161, 170, 182, 221, 227, 230, 238, 260, 299, 322, 340, 364, 391, 442, 454, 455, 460, 476, 595, 598, 644, 782, 805, 884, 908, 910, 1105, 1135, 1190, 1196, 1495, 1547, 1564, 1589, 1610, 1820, 1955, 2093, 2210, 2270, 2380, 2737, 2951, 2990, 3094, 3178, 3220, 3859, 3910, 4186, 4420, 4540, 5083, 5221, 5474, 5902, 5980, 6188, 6356, 7718, 7735, 7820, 7945, 8372, 10166, 10442, 10465, 10948, 11804, 13685, 14755, 15436, 15470, 15890, 19295, 20332, 20657, 20884, 20930, 25415, 26105, 27013, 27370, 29510, 30940, 31780, 35581, 36547, 38590, 41314, 41860, 50167, 50830, 52210, 54026, 54740, 59020, 67873, 71162, 73094, 77180, 82628, 88757, 100334, 101660, 103285, 104420, 108052, 135065, 135746, 142324, 146188, 177514, 177905, 182735, 200668, 206570, 250835, 270130, 271492, 339365, 351169, 355028, 355810, 365470, 413140, 443785, 475111, 501670, 540260, 621299, 678730, 702338, 711620, 730940, 887570, 950222, 1003340, 1153841, 1242598, 1357460, 1404676, 1755845, 1775140, 1900444, 2307682, 2375555, 2485196, 3106495, 3511690, 4615364, 4751110, 5769205, 6212990, 7023380, 8076887, 9502220, 11538410, 12425980, 16153774, 23076820, 32307548, 40384435, 80768870, 161537740]

約数ペア:

[(1, 161537740), (2, 80768870), (4, 40384435), (5, 32307548), (7, 23076820), (10, 16153774), (13, 12425980), (14, 11538410), (17, 9502220), (20, 8076887), (23, 7023380), (26, 6212990), (28, 5769205), (34, 4751110), (35, 4615364), (46, 3511690), (52, 3106495), (65, 2485196), (68, 2375555), (70, 2307682), (85, 1900444), (91, 1775140), (92, 1755845), (115, 1404676), (119, 1357460), (130, 1242598), (140, 1153841), (161, 1003340), (170, 950222), (182, 887570), (221, 730940), (227, 711620), (230, 702338), (238, 678730), (260, 621299), (299, 540260), (322, 501670), (340, 475111), (364, 443785), (391, 413140), (442, 365470), (454, 355810), (455, 355028), (460, 351169), (476, 339365), (595, 271492), (598, 270130), (644, 250835), (782, 206570), (805, 200668), (884, 182735), (908, 177905), (910, 177514), (1105, 146188), (1135, 142324), (1190, 135746), (1196, 135065), (1495, 108052), (1547, 104420), (1564, 103285), (1589, 101660), (1610, 100334), (1820, 88757), (1955, 82628), (2093, 77180), (2210, 73094), (2270, 71162), (2380, 67873), (2737, 59020), (2951, 54740), (2990, 54026), (3094, 52210), (3178, 50830), (3220, 50167), (3859, 41860), (3910, 41314), (4186, 38590), (4420, 36547), (4540, 35581), (5083, 31780), (5221, 30940), (5474, 29510), (5902, 27370), (5980, 27013), (6188, 26105), (6356, 25415), (7718, 20930), (7735, 20884), (7820, 20657), (7945, 20332), (8372, 19295), (10166, 15890), (10442, 15470), (10465, 15436), (10948, 14755), (11804, 13685)]