17725860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 58181760

約数和(自身を除く): 40455900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 73, 76, 90, 95, 114, 142, 146, 171, 180, 190, 213, 219, 228, 284, 285, 292, 342, 355, 365, 380, 426, 438, 570, 639, 657, 684, 710, 730, 852, 855, 876, 1065, 1095, 1140, 1278, 1314, 1349, 1387, 1420, 1460, 1710, 2130, 2190, 2556, 2628, 2698, 2774, 3195, 3285, 3420, 4047, 4161, 4260, 4380, 5183, 5396, 5548, 6390, 6570, 6745, 6935, 8094, 8322, 10366, 12141, 12483, 12780, 13140, 13490, 13870, 15549, 16188, 16644, 20235, 20732, 20805, 24282, 24966, 25915, 26980, 27740, 31098, 40470, 41610, 46647, 48564, 49932, 51830, 60705, 62196, 62415, 77745, 80940, 83220, 93294, 98477, 103660, 121410, 124830, 155490, 186588, 196954, 233235, 242820, 249660, 295431, 310980, 393908, 466470, 492385, 590862, 886293, 932940, 984770, 1181724, 1477155, 1772586, 1969540, 2954310, 3545172, 4431465, 5908620, 8862930, 17725860]

約数ペア:

[(1, 17725860), (2, 8862930), (3, 5908620), (4, 4431465), (5, 3545172), (6, 2954310), (9, 1969540), (10, 1772586), (12, 1477155), (15, 1181724), (18, 984770), (19, 932940), (20, 886293), (30, 590862), (36, 492385), (38, 466470), (45, 393908), (57, 310980), (60, 295431), (71, 249660), (73, 242820), (76, 233235), (90, 196954), (95, 186588), (114, 155490), (142, 124830), (146, 121410), (171, 103660), (180, 98477), (190, 93294), (213, 83220), (219, 80940), (228, 77745), (284, 62415), (285, 62196), (292, 60705), (342, 51830), (355, 49932), (365, 48564), (380, 46647), (426, 41610), (438, 40470), (570, 31098), (639, 27740), (657, 26980), (684, 25915), (710, 24966), (730, 24282), (852, 20805), (855, 20732), (876, 20235), (1065, 16644), (1095, 16188), (1140, 15549), (1278, 13870), (1314, 13490), (1349, 13140), (1387, 12780), (1420, 12483), (1460, 12141), (1710, 10366), (2130, 8322), (2190, 8094), (2556, 6935), (2628, 6745), (2698, 6570), (2774, 6390), (3195, 5548), (3285, 5396), (3420, 5183), (4047, 4380), (4161, 4260)]