31088040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 98565120

約数和(自身を除く): 67477080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 137, 155, 183, 186, 244, 248, 274, 305, 310, 366, 372, 411, 465, 488, 548, 610, 620, 685, 732, 744, 822, 915, 930, 1096, 1220, 1240, 1370, 1464, 1644, 1830, 1860, 1891, 2055, 2440, 2740, 3288, 3660, 3720, 3782, 4110, 4247, 5480, 5673, 7320, 7564, 8220, 8357, 8494, 9455, 11346, 12741, 15128, 16440, 16714, 16988, 18910, 21235, 22692, 25071, 25482, 28365, 33428, 33976, 37820, 41785, 42470, 45384, 50142, 50964, 56730, 63705, 66856, 75640, 83570, 84940, 100284, 101928, 113460, 125355, 127410, 167140, 169880, 200568, 226920, 250710, 254820, 259067, 334280, 501420, 509640, 518134, 777201, 1002840, 1036268, 1295335, 1554402, 2072536, 2590670, 3108804, 3886005, 5181340, 6217608, 7772010, 10362680, 15544020, 31088040]

約数ペア:

[(1, 31088040), (2, 15544020), (3, 10362680), (4, 7772010), (5, 6217608), (6, 5181340), (8, 3886005), (10, 3108804), (12, 2590670), (15, 2072536), (20, 1554402), (24, 1295335), (30, 1036268), (31, 1002840), (40, 777201), (60, 518134), (61, 509640), (62, 501420), (93, 334280), (120, 259067), (122, 254820), (124, 250710), (137, 226920), (155, 200568), (183, 169880), (186, 167140), (244, 127410), (248, 125355), (274, 113460), (305, 101928), (310, 100284), (366, 84940), (372, 83570), (411, 75640), (465, 66856), (488, 63705), (548, 56730), (610, 50964), (620, 50142), (685, 45384), (732, 42470), (744, 41785), (822, 37820), (915, 33976), (930, 33428), (1096, 28365), (1220, 25482), (1240, 25071), (1370, 22692), (1464, 21235), (1644, 18910), (1830, 16988), (1860, 16714), (1891, 16440), (2055, 15128), (2440, 12741), (2740, 11346), (3288, 9455), (3660, 8494), (3720, 8357), (3782, 8220), (4110, 7564), (4247, 7320), (5480, 5673)]