66515540

素因数分解:

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

素因数の和:286

約数の個数: 144

約数和(自身を含む): 183399552

約数和(自身を除く): 116884012

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 49, 52, 65, 70, 91, 92, 98, 115, 130, 140, 161, 182, 196, 227, 230, 245, 260, 299, 322, 364, 454, 455, 460, 490, 598, 637, 644, 805, 908, 910, 980, 1127, 1135, 1196, 1274, 1495, 1589, 1610, 1820, 2093, 2254, 2270, 2548, 2951, 2990, 3178, 3185, 3220, 4186, 4508, 4540, 5221, 5635, 5902, 5980, 6356, 6370, 7945, 8372, 10442, 10465, 11123, 11270, 11804, 12740, 14651, 14755, 15890, 20657, 20884, 20930, 22246, 22540, 26105, 29302, 29510, 31780, 36547, 41314, 41860, 44492, 52210, 55615, 58604, 59020, 67873, 73094, 73255, 82628, 103285, 104420, 111230, 135746, 144599, 146188, 146510, 182735, 206570, 222460, 255829, 271492, 289198, 293020, 339365, 365470, 413140, 475111, 511658, 578396, 678730, 722995, 730940, 950222, 1023316, 1279145, 1357460, 1445990, 1900444, 2375555, 2558290, 2891980, 3325777, 4751110, 5116580, 6651554, 9502220, 13303108, 16628885, 33257770, 66515540]

約数ペア:

[(1, 66515540), (2, 33257770), (4, 16628885), (5, 13303108), (7, 9502220), (10, 6651554), (13, 5116580), (14, 4751110), (20, 3325777), (23, 2891980), (26, 2558290), (28, 2375555), (35, 1900444), (46, 1445990), (49, 1357460), (52, 1279145), (65, 1023316), (70, 950222), (91, 730940), (92, 722995), (98, 678730), (115, 578396), (130, 511658), (140, 475111), (161, 413140), (182, 365470), (196, 339365), (227, 293020), (230, 289198), (245, 271492), (260, 255829), (299, 222460), (322, 206570), (364, 182735), (454, 146510), (455, 146188), (460, 144599), (490, 135746), (598, 111230), (637, 104420), (644, 103285), (805, 82628), (908, 73255), (910, 73094), (980, 67873), (1127, 59020), (1135, 58604), (1196, 55615), (1274, 52210), (1495, 44492), (1589, 41860), (1610, 41314), (1820, 36547), (2093, 31780), (2254, 29510), (2270, 29302), (2548, 26105), (2951, 22540), (2990, 22246), (3178, 20930), (3185, 20884), (3220, 20657), (4186, 15890), (4508, 14755), (4540, 14651), (5221, 12740), (5635, 11804), (5902, 11270), (5980, 11123), (6356, 10465), (6370, 10442), (7945, 8372)]