87173240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 257402880

約数和(自身を除く): 170229640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 83, 88, 110, 121, 124, 140, 154, 155, 166, 217, 220, 242, 248, 280, 308, 310, 332, 341, 385, 415, 434, 440, 484, 581, 605, 616, 620, 664, 682, 770, 830, 847, 868, 913, 968, 1085, 1162, 1210, 1240, 1364, 1540, 1660, 1694, 1705, 1736, 1826, 2170, 2324, 2387, 2420, 2573, 2728, 2905, 3080, 3320, 3388, 3410, 3652, 3751, 4235, 4340, 4565, 4648, 4774, 4840, 5146, 5810, 6391, 6776, 6820, 7304, 7502, 8470, 8680, 9130, 9548, 10043, 10292, 11620, 11935, 12782, 12865, 13640, 15004, 16940, 18011, 18260, 18755, 19096, 20086, 20584, 23240, 23870, 25564, 25730, 26257, 28303, 30008, 31955, 33880, 36022, 36520, 37510, 40172, 47740, 50215, 51128, 51460, 52514, 56606, 63910, 70301, 72044, 75020, 80344, 90055, 95480, 100430, 102920, 105028, 113212, 127820, 131285, 140602, 141515, 144088, 150040, 180110, 198121, 200860, 210056, 226424, 255640, 262570, 281204, 283030, 311333, 351505, 360220, 396242, 401720, 525140, 562408, 566060, 622666, 703010, 720440, 792484, 990605, 1050280, 1132120, 1245332, 1406020, 1556665, 1584968, 1981210, 2179331, 2490664, 2812040, 3113330, 3962420, 4358662, 6226660, 7924840, 8717324, 10896655, 12453320, 17434648, 21793310, 43586620, 87173240]

約数ペア:

[(1, 87173240), (2, 43586620), (4, 21793310), (5, 17434648), (7, 12453320), (8, 10896655), (10, 8717324), (11, 7924840), (14, 6226660), (20, 4358662), (22, 3962420), (28, 3113330), (31, 2812040), (35, 2490664), (40, 2179331), (44, 1981210), (55, 1584968), (56, 1556665), (62, 1406020), (70, 1245332), (77, 1132120), (83, 1050280), (88, 990605), (110, 792484), (121, 720440), (124, 703010), (140, 622666), (154, 566060), (155, 562408), (166, 525140), (217, 401720), (220, 396242), (242, 360220), (248, 351505), (280, 311333), (308, 283030), (310, 281204), (332, 262570), (341, 255640), (385, 226424), (415, 210056), (434, 200860), (440, 198121), (484, 180110), (581, 150040), (605, 144088), (616, 141515), (620, 140602), (664, 131285), (682, 127820), (770, 113212), (830, 105028), (847, 102920), (868, 100430), (913, 95480), (968, 90055), (1085, 80344), (1162, 75020), (1210, 72044), (1240, 70301), (1364, 63910), (1540, 56606), (1660, 52514), (1694, 51460), (1705, 51128), (1736, 50215), (1826, 47740), (2170, 40172), (2324, 37510), (2387, 36520), (2420, 36022), (2573, 33880), (2728, 31955), (2905, 30008), (3080, 28303), (3320, 26257), (3388, 25730), (3410, 25564), (3652, 23870), (3751, 23240), (4235, 20584), (4340, 20086), (4565, 19096), (4648, 18755), (4774, 18260), (4840, 18011), (5146, 16940), (5810, 15004), (6391, 13640), (6776, 12865), (6820, 12782), (7304, 11935), (7502, 11620), (8470, 10292), (8680, 10043), (9130, 9548)]