71710440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:603

約数の個数: 128

約数和(自身を含む): 228510720

約数和(自身を除く): 156800280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 521, 555, 620, 740, 744, 888, 930, 1042, 1110, 1147, 1240, 1480, 1563, 1860, 2084, 2220, 2294, 2605, 3126, 3441, 3720, 4168, 4440, 4588, 5210, 5735, 6252, 6882, 7815, 9176, 10420, 11470, 12504, 13764, 15630, 16151, 17205, 19277, 20840, 22940, 27528, 31260, 32302, 34410, 38554, 45880, 48453, 57831, 62520, 64604, 68820, 77108, 80755, 96385, 96906, 115662, 129208, 137640, 154216, 161510, 192770, 193812, 231324, 242265, 289155, 323020, 385540, 387624, 462648, 484530, 578310, 597587, 646040, 771080, 969060, 1156620, 1195174, 1792761, 1938120, 2313240, 2390348, 2987935, 3585522, 4780696, 5975870, 7171044, 8963805, 11951740, 14342088, 17927610, 23903480, 35855220, 71710440]

約数ペア:

[(1, 71710440), (2, 35855220), (3, 23903480), (4, 17927610), (5, 14342088), (6, 11951740), (8, 8963805), (10, 7171044), (12, 5975870), (15, 4780696), (20, 3585522), (24, 2987935), (30, 2390348), (31, 2313240), (37, 1938120), (40, 1792761), (60, 1195174), (62, 1156620), (74, 969060), (93, 771080), (111, 646040), (120, 597587), (124, 578310), (148, 484530), (155, 462648), (185, 387624), (186, 385540), (222, 323020), (248, 289155), (296, 242265), (310, 231324), (370, 193812), (372, 192770), (444, 161510), (465, 154216), (521, 137640), (555, 129208), (620, 115662), (740, 96906), (744, 96385), (888, 80755), (930, 77108), (1042, 68820), (1110, 64604), (1147, 62520), (1240, 57831), (1480, 48453), (1563, 45880), (1860, 38554), (2084, 34410), (2220, 32302), (2294, 31260), (2605, 27528), (3126, 22940), (3441, 20840), (3720, 19277), (4168, 17205), (4440, 16151), (4588, 15630), (5210, 13764), (5735, 12504), (6252, 11470), (6882, 10420), (7815, 9176)]