78943860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 258672960

約数和(自身を除く): 179729100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 563, 570, 615, 684, 738, 779, 820, 855, 1126, 1140, 1230, 1476, 1558, 1689, 1710, 1845, 2252, 2337, 2460, 2815, 3116, 3378, 3420, 3690, 3895, 4674, 5067, 5630, 6756, 7011, 7380, 7790, 8445, 9348, 10134, 10697, 11260, 11685, 14022, 15580, 16890, 20268, 21394, 23083, 23370, 25335, 28044, 32091, 33780, 35055, 42788, 46166, 46740, 50670, 53485, 64182, 69249, 70110, 92332, 96273, 101340, 106970, 115415, 128364, 138498, 140220, 160455, 192546, 207747, 213940, 230830, 276996, 320910, 346245, 385092, 415494, 438577, 461660, 481365, 641820, 692490, 830988, 877154, 962730, 1038735, 1315731, 1384980, 1754308, 1925460, 2077470, 2192885, 2631462, 3947193, 4154940, 4385770, 5262924, 6578655, 7894386, 8771540, 13157310, 15788772, 19735965, 26314620, 39471930, 78943860]

約数ペア:

[(1, 78943860), (2, 39471930), (3, 26314620), (4, 19735965), (5, 15788772), (6, 13157310), (9, 8771540), (10, 7894386), (12, 6578655), (15, 5262924), (18, 4385770), (19, 4154940), (20, 3947193), (30, 2631462), (36, 2192885), (38, 2077470), (41, 1925460), (45, 1754308), (57, 1384980), (60, 1315731), (76, 1038735), (82, 962730), (90, 877154), (95, 830988), (114, 692490), (123, 641820), (164, 481365), (171, 461660), (180, 438577), (190, 415494), (205, 385092), (228, 346245), (246, 320910), (285, 276996), (342, 230830), (369, 213940), (380, 207747), (410, 192546), (492, 160455), (563, 140220), (570, 138498), (615, 128364), (684, 115415), (738, 106970), (779, 101340), (820, 96273), (855, 92332), (1126, 70110), (1140, 69249), (1230, 64182), (1476, 53485), (1558, 50670), (1689, 46740), (1710, 46166), (1845, 42788), (2252, 35055), (2337, 33780), (2460, 32091), (2815, 28044), (3116, 25335), (3378, 23370), (3420, 23083), (3690, 21394), (3895, 20268), (4674, 16890), (5067, 15580), (5630, 14022), (6756, 11685), (7011, 11260), (7380, 10697), (7790, 10134), (8445, 9348)]