87321780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1777}}^1$

素因数の和:1815

約数の個数: 192

約数和(自身を含む): 334548480

約数和(自身を除く): 247226700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1777, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3554, 3780, 4095, 4914, 5331, 5460, 7020, 7108, 8190, 8885, 9828, 10662, 12285, 12439, 15993, 16380, 17770, 21324, 23101, 24570, 24878, 26655, 31986, 35540, 37317, 46202, 47979, 49140, 49756, 53310, 62195, 63972, 69303, 74634, 79965, 92404, 95958, 106620, 111951, 115505, 124390, 138606, 149268, 159930, 161707, 186585, 191916, 207909, 223902, 231010, 239895, 248780, 277212, 319860, 323414, 335853, 346515, 373170, 415818, 447804, 462020, 479790, 485121, 559755, 623727, 646828, 671706, 693030, 746340, 808535, 831636, 959580, 970242, 1039545, 1119510, 1247454, 1343412, 1386060, 1455363, 1617070, 1679265, 1940484, 2079090, 2239020, 2425605, 2494908, 2910726, 3118635, 3234140, 3358530, 4158180, 4366089, 4851210, 5821452, 6237270, 6717060, 7276815, 8732178, 9702420, 12474540, 14553630, 17464356, 21830445, 29107260, 43660890, 87321780]

約数ペア:

[(1, 87321780), (2, 43660890), (3, 29107260), (4, 21830445), (5, 17464356), (6, 14553630), (7, 12474540), (9, 9702420), (10, 8732178), (12, 7276815), (13, 6717060), (14, 6237270), (15, 5821452), (18, 4851210), (20, 4366089), (21, 4158180), (26, 3358530), (27, 3234140), (28, 3118635), (30, 2910726), (35, 2494908), (36, 2425605), (39, 2239020), (42, 2079090), (45, 1940484), (52, 1679265), (54, 1617070), (60, 1455363), (63, 1386060), (65, 1343412), (70, 1247454), (78, 1119510), (84, 1039545), (90, 970242), (91, 959580), (105, 831636), (108, 808535), (117, 746340), (126, 693030), (130, 671706), (135, 646828), (140, 623727), (156, 559755), (180, 485121), (182, 479790), (189, 462020), (195, 447804), (210, 415818), (234, 373170), (252, 346515), (260, 335853), (270, 323414), (273, 319860), (315, 277212), (351, 248780), (364, 239895), (378, 231010), (390, 223902), (420, 207909), (455, 191916), (468, 186585), (540, 161707), (546, 159930), (585, 149268), (630, 138606), (702, 124390), (756, 115505), (780, 111951), (819, 106620), (910, 95958), (945, 92404), (1092, 79965), (1170, 74634), (1260, 69303), (1365, 63972), (1404, 62195), (1638, 53310), (1755, 49756), (1777, 49140), (1820, 47979), (1890, 46202), (2340, 37317), (2457, 35540), (2730, 31986), (3276, 26655), (3510, 24878), (3554, 24570), (3780, 23101), (4095, 21324), (4914, 17770), (5331, 16380), (5460, 15993), (7020, 12439), (7108, 12285), (8190, 10662), (8885, 9828)]