78290940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1103}}^1$

素因数の和:1148

約数の個数: 144

約数和(自身を含む): 271531008

約数和(自身を除く): 193240068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1103, 1183, 1365, 1690, 1820, 2028, 2206, 2366, 2535, 2730, 3309, 3380, 3549, 4412, 4732, 5070, 5460, 5515, 5915, 6618, 7098, 7721, 10140, 11030, 11830, 13236, 14196, 14339, 15442, 16545, 17745, 22060, 23163, 23660, 28678, 30884, 33090, 35490, 38605, 43017, 46326, 57356, 66180, 70980, 71695, 77210, 86034, 92652, 100373, 115815, 143390, 154420, 172068, 186407, 200746, 215085, 231630, 286780, 301119, 372814, 401492, 430170, 463260, 501865, 559221, 602238, 745628, 860340, 932035, 1003730, 1118442, 1204476, 1304849, 1505595, 1864070, 2007460, 2236884, 2609698, 2796105, 3011190, 3728140, 3914547, 5219396, 5592210, 6022380, 6524245, 7829094, 11184420, 13048490, 15658188, 19572735, 26096980, 39145470, 78290940]

約数ペア:

[(1, 78290940), (2, 39145470), (3, 26096980), (4, 19572735), (5, 15658188), (6, 13048490), (7, 11184420), (10, 7829094), (12, 6524245), (13, 6022380), (14, 5592210), (15, 5219396), (20, 3914547), (21, 3728140), (26, 3011190), (28, 2796105), (30, 2609698), (35, 2236884), (39, 2007460), (42, 1864070), (52, 1505595), (60, 1304849), (65, 1204476), (70, 1118442), (78, 1003730), (84, 932035), (91, 860340), (105, 745628), (130, 602238), (140, 559221), (156, 501865), (169, 463260), (182, 430170), (195, 401492), (210, 372814), (260, 301119), (273, 286780), (338, 231630), (364, 215085), (390, 200746), (420, 186407), (455, 172068), (507, 154420), (546, 143390), (676, 115815), (780, 100373), (845, 92652), (910, 86034), (1014, 77210), (1092, 71695), (1103, 70980), (1183, 66180), (1365, 57356), (1690, 46326), (1820, 43017), (2028, 38605), (2206, 35490), (2366, 33090), (2535, 30884), (2730, 28678), (3309, 23660), (3380, 23163), (3549, 22060), (4412, 17745), (4732, 16545), (5070, 15442), (5460, 14339), (5515, 14196), (5915, 13236), (6618, 11830), (7098, 11030), (7721, 10140)]