31748080

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 160

約数和(自身を含む): 93744000

約数和(自身を除く): 61995920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 89, 91, 98, 104, 112, 130, 140, 178, 182, 196, 208, 245, 260, 280, 343, 356, 364, 392, 445, 455, 490, 520, 560, 623, 637, 686, 712, 728, 784, 890, 910, 980, 1040, 1157, 1246, 1274, 1372, 1424, 1456, 1715, 1780, 1820, 1960, 2314, 2492, 2548, 2744, 3115, 3185, 3430, 3560, 3640, 3920, 4361, 4459, 4628, 4984, 5096, 5488, 5785, 6230, 6370, 6860, 7120, 7280, 8099, 8722, 8918, 9256, 9968, 10192, 11570, 12460, 12740, 13720, 16198, 17444, 17836, 18512, 21805, 22295, 23140, 24920, 25480, 27440, 30527, 32396, 34888, 35672, 40495, 43610, 44590, 46280, 49840, 50960, 56693, 61054, 64792, 69776, 71344, 80990, 87220, 89180, 92560, 113386, 122108, 129584, 152635, 161980, 174440, 178360, 226772, 244216, 283465, 305270, 323960, 348880, 356720, 396851, 453544, 488432, 566930, 610540, 647920, 793702, 907088, 1133860, 1221080, 1587404, 1984255, 2267720, 2442160, 3174808, 3968510, 4535440, 6349616, 7937020, 15874040, 31748080]

約数ペア:

[(1, 31748080), (2, 15874040), (4, 7937020), (5, 6349616), (7, 4535440), (8, 3968510), (10, 3174808), (13, 2442160), (14, 2267720), (16, 1984255), (20, 1587404), (26, 1221080), (28, 1133860), (35, 907088), (40, 793702), (49, 647920), (52, 610540), (56, 566930), (65, 488432), (70, 453544), (80, 396851), (89, 356720), (91, 348880), (98, 323960), (104, 305270), (112, 283465), (130, 244216), (140, 226772), (178, 178360), (182, 174440), (196, 161980), (208, 152635), (245, 129584), (260, 122108), (280, 113386), (343, 92560), (356, 89180), (364, 87220), (392, 80990), (445, 71344), (455, 69776), (490, 64792), (520, 61054), (560, 56693), (623, 50960), (637, 49840), (686, 46280), (712, 44590), (728, 43610), (784, 40495), (890, 35672), (910, 34888), (980, 32396), (1040, 30527), (1157, 27440), (1246, 25480), (1274, 24920), (1372, 23140), (1424, 22295), (1456, 21805), (1715, 18512), (1780, 17836), (1820, 17444), (1960, 16198), (2314, 13720), (2492, 12740), (2548, 12460), (2744, 11570), (3115, 10192), (3185, 9968), (3430, 9256), (3560, 8918), (3640, 8722), (3920, 8099), (4361, 7280), (4459, 7120), (4628, 6860), (4984, 6370), (5096, 6230), (5488, 5785)]