1640291280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359713}}^1$

素因数の和:359748

約数の個数: 80

約数和(自身を含む): 5352544320

約数和(自身を除く): 3712253040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 359713, 719426, 1079139, 1438852, 1798565, 2158278, 2877704, 3597130, 4316556, 5395695, 5755408, 6834547, 7194260, 8633112, 10791390, 13669094, 14388520, 17266224, 20503641, 21582780, 27338188, 28777040, 34172735, 41007282, 43165560, 54676376, 68345470, 82014564, 86331120, 102518205, 109352752, 136690940, 164029128, 205036410, 273381880, 328058256, 410072820, 546763760, 820145640, 1640291280]

約数ペア:

[(1, 1640291280), (2, 820145640), (3, 546763760), (4, 410072820), (5, 328058256), (6, 273381880), (8, 205036410), (10, 164029128), (12, 136690940), (15, 109352752), (16, 102518205), (19, 86331120), (20, 82014564), (24, 68345470), (30, 54676376), (38, 43165560), (40, 41007282), (48, 34172735), (57, 28777040), (60, 27338188), (76, 21582780), (80, 20503641), (95, 17266224), (114, 14388520), (120, 13669094), (152, 10791390), (190, 8633112), (228, 7194260), (240, 6834547), (285, 5755408), (304, 5395695), (380, 4316556), (456, 3597130), (570, 2877704), (760, 2158278), (912, 1798565), (1140, 1438852), (1520, 1079139), (2280, 719426), (4560, 359713)]