420894840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10859}}^1$

素因数の和:10909

約数の個数: 128

約数和(自身を含む): 1407456000

約数和(自身を除く): 986561160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 6460, 7752, 9690, 10859, 12920, 19380, 21718, 32577, 38760, 43436, 54295, 65154, 86872, 108590, 130308, 162885, 184603, 206321, 217180, 260616, 325770, 369206, 412642, 434360, 553809, 618963, 651540, 738412, 825284, 923015, 1031605, 1107618, 1237926, 1303080, 1476824, 1650568, 1846030, 2063210, 2215236, 2475852, 2769045, 3094815, 3507457, 3692060, 4126420, 4430472, 4951704, 5538090, 6189630, 7014914, 7384120, 8252840, 10522371, 11076180, 12379260, 14029828, 17537285, 21044742, 22152360, 24758520, 28059656, 35074570, 42089484, 52611855, 70149140, 84178968, 105223710, 140298280, 210447420, 420894840]

約数ペア:

[(1, 420894840), (2, 210447420), (3, 140298280), (4, 105223710), (5, 84178968), (6, 70149140), (8, 52611855), (10, 42089484), (12, 35074570), (15, 28059656), (17, 24758520), (19, 22152360), (20, 21044742), (24, 17537285), (30, 14029828), (34, 12379260), (38, 11076180), (40, 10522371), (51, 8252840), (57, 7384120), (60, 7014914), (68, 6189630), (76, 5538090), (85, 4951704), (95, 4430472), (102, 4126420), (114, 3692060), (120, 3507457), (136, 3094815), (152, 2769045), (170, 2475852), (190, 2215236), (204, 2063210), (228, 1846030), (255, 1650568), (285, 1476824), (323, 1303080), (340, 1237926), (380, 1107618), (408, 1031605), (456, 923015), (510, 825284), (570, 738412), (646, 651540), (680, 618963), (760, 553809), (969, 434360), (1020, 412642), (1140, 369206), (1292, 325770), (1615, 260616), (1938, 217180), (2040, 206321), (2280, 184603), (2584, 162885), (3230, 130308), (3876, 108590), (4845, 86872), (6460, 65154), (7752, 54295), (9690, 43436), (10859, 38760), (12920, 32577), (19380, 21718)]