31038930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 91929600

約数和(自身を除く): 60890670

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 37, 39, 45, 54, 65, 74, 78, 90, 111, 117, 130, 135, 185, 195, 222, 234, 239, 270, 333, 351, 370, 390, 478, 481, 555, 585, 666, 702, 717, 962, 999, 1110, 1170, 1195, 1434, 1443, 1665, 1755, 1998, 2151, 2390, 2405, 2886, 3107, 3330, 3510, 3585, 4302, 4329, 4810, 4995, 6214, 6453, 7170, 7215, 8658, 8843, 9321, 9990, 10755, 12906, 12987, 14430, 15535, 17686, 18642, 21510, 21645, 25974, 26529, 27963, 31070, 32265, 43290, 44215, 46605, 53058, 55926, 64530, 64935, 79587, 83889, 88430, 93210, 114959, 129870, 132645, 139815, 159174, 167778, 229918, 238761, 265290, 279630, 344877, 397935, 419445, 477522, 574795, 689754, 795870, 838890, 1034631, 1149590, 1193805, 1724385, 2069262, 2387610, 3103893, 3448770, 5173155, 6207786, 10346310, 15519465, 31038930]

約数ペア:

[(1, 31038930), (2, 15519465), (3, 10346310), (5, 6207786), (6, 5173155), (9, 3448770), (10, 3103893), (13, 2387610), (15, 2069262), (18, 1724385), (26, 1193805), (27, 1149590), (30, 1034631), (37, 838890), (39, 795870), (45, 689754), (54, 574795), (65, 477522), (74, 419445), (78, 397935), (90, 344877), (111, 279630), (117, 265290), (130, 238761), (135, 229918), (185, 167778), (195, 159174), (222, 139815), (234, 132645), (239, 129870), (270, 114959), (333, 93210), (351, 88430), (370, 83889), (390, 79587), (478, 64935), (481, 64530), (555, 55926), (585, 53058), (666, 46605), (702, 44215), (717, 43290), (962, 32265), (999, 31070), (1110, 27963), (1170, 26529), (1195, 25974), (1434, 21645), (1443, 21510), (1665, 18642), (1755, 17686), (1998, 15535), (2151, 14430), (2390, 12987), (2405, 12906), (2886, 10755), (3107, 9990), (3330, 9321), (3510, 8843), (3585, 8658), (4302, 7215), (4329, 7170), (4810, 6453), (4995, 6214)]