681425880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 192

約数和(自身を含む): 2230675200

約数和(自身を除く): 1549249320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 311, 372, 380, 456, 465, 570, 589, 620, 622, 744, 760, 930, 933, 961, 1140, 1178, 1240, 1244, 1555, 1767, 1860, 1866, 1922, 2280, 2356, 2488, 2883, 2945, 3110, 3534, 3720, 3732, 3844, 4665, 4712, 4805, 5766, 5890, 5909, 6220, 7068, 7464, 7688, 8835, 9330, 9610, 9641, 11532, 11780, 11818, 12440, 14136, 14415, 17670, 17727, 18259, 18660, 19220, 19282, 23064, 23560, 23636, 28830, 28923, 29545, 35340, 35454, 36518, 37320, 38440, 38564, 47272, 48205, 54777, 57660, 57846, 59090, 70680, 70908, 73036, 77128, 88635, 91295, 96410, 109554, 115320, 115692, 118180, 141816, 144615, 146072, 177270, 182590, 183179, 192820, 219108, 231384, 236360, 273885, 289230, 298871, 354540, 365180, 366358, 385640, 438216, 547770, 549537, 578460, 597742, 709080, 730360, 732716, 896613, 915895, 1095540, 1099074, 1156920, 1195484, 1465432, 1494355, 1793226, 1831790, 2191080, 2198148, 2390968, 2747685, 2988710, 3586452, 3663580, 4396296, 4483065, 5495370, 5678549, 5977420, 7172904, 7327160, 8966130, 10990740, 11357098, 11954840, 17035647, 17932260, 21981480, 22714196, 28392745, 34071294, 35864520, 45428392, 56785490, 68142588, 85178235, 113570980, 136285176, 170356470, 227141960, 340712940, 681425880]

約数ペア:

[(1, 681425880), (2, 340712940), (3, 227141960), (4, 170356470), (5, 136285176), (6, 113570980), (8, 85178235), (10, 68142588), (12, 56785490), (15, 45428392), (19, 35864520), (20, 34071294), (24, 28392745), (30, 22714196), (31, 21981480), (38, 17932260), (40, 17035647), (57, 11954840), (60, 11357098), (62, 10990740), (76, 8966130), (93, 7327160), (95, 7172904), (114, 5977420), (120, 5678549), (124, 5495370), (152, 4483065), (155, 4396296), (186, 3663580), (190, 3586452), (228, 2988710), (248, 2747685), (285, 2390968), (310, 2198148), (311, 2191080), (372, 1831790), (380, 1793226), (456, 1494355), (465, 1465432), (570, 1195484), (589, 1156920), (620, 1099074), (622, 1095540), (744, 915895), (760, 896613), (930, 732716), (933, 730360), (961, 709080), (1140, 597742), (1178, 578460), (1240, 549537), (1244, 547770), (1555, 438216), (1767, 385640), (1860, 366358), (1866, 365180), (1922, 354540), (2280, 298871), (2356, 289230), (2488, 273885), (2883, 236360), (2945, 231384), (3110, 219108), (3534, 192820), (3720, 183179), (3732, 182590), (3844, 177270), (4665, 146072), (4712, 144615), (4805, 141816), (5766, 118180), (5890, 115692), (5909, 115320), (6220, 109554), (7068, 96410), (7464, 91295), (7688, 88635), (8835, 77128), (9330, 73036), (9610, 70908), (9641, 70680), (11532, 59090), (11780, 57846), (11818, 57660), (12440, 54777), (14136, 48205), (14415, 47272), (17670, 38564), (17727, 38440), (18259, 37320), (18660, 36518), (19220, 35454), (19282, 35340), (23064, 29545), (23560, 28923), (23636, 28830)]