220180920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:437

約数の個数: 128

約数和(自身を含む): 679622400

約数和(自身を除く): 459441480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 137, 177, 227, 236, 274, 295, 354, 411, 454, 472, 548, 590, 681, 685, 708, 822, 885, 908, 1096, 1135, 1180, 1362, 1370, 1416, 1644, 1770, 1816, 2055, 2270, 2360, 2724, 2740, 3288, 3405, 3540, 4110, 4540, 5448, 5480, 6810, 7080, 8083, 8220, 9080, 13393, 13620, 16166, 16440, 24249, 26786, 27240, 31099, 32332, 40179, 40415, 48498, 53572, 62198, 64664, 66965, 80358, 80830, 93297, 96996, 107144, 121245, 124396, 133930, 155495, 160716, 161660, 186594, 193992, 200895, 242490, 248792, 267860, 310990, 321432, 323320, 373188, 401790, 466485, 484980, 535720, 621980, 746376, 803580, 932970, 969960, 1243960, 1607160, 1834841, 1865940, 3669682, 3731880, 5504523, 7339364, 9174205, 11009046, 14678728, 18348410, 22018092, 27522615, 36696820, 44036184, 55045230, 73393640, 110090460, 220180920]

約数ペア:

[(1, 220180920), (2, 110090460), (3, 73393640), (4, 55045230), (5, 44036184), (6, 36696820), (8, 27522615), (10, 22018092), (12, 18348410), (15, 14678728), (20, 11009046), (24, 9174205), (30, 7339364), (40, 5504523), (59, 3731880), (60, 3669682), (118, 1865940), (120, 1834841), (137, 1607160), (177, 1243960), (227, 969960), (236, 932970), (274, 803580), (295, 746376), (354, 621980), (411, 535720), (454, 484980), (472, 466485), (548, 401790), (590, 373188), (681, 323320), (685, 321432), (708, 310990), (822, 267860), (885, 248792), (908, 242490), (1096, 200895), (1135, 193992), (1180, 186594), (1362, 161660), (1370, 160716), (1416, 155495), (1644, 133930), (1770, 124396), (1816, 121245), (2055, 107144), (2270, 96996), (2360, 93297), (2724, 80830), (2740, 80358), (3288, 66965), (3405, 64664), (3540, 62198), (4110, 53572), (4540, 48498), (5448, 40415), (5480, 40179), (6810, 32332), (7080, 31099), (8083, 27240), (8220, 26786), (9080, 24249), (13393, 16440), (13620, 16166)]