77780560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{523}}^1$

素因数の和:573

約数の個数: 120

約数和(自身を含む): 214030944

約数和(自身を除く): 136250384

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 169, 176, 208, 220, 260, 286, 338, 440, 520, 523, 572, 676, 715, 845, 880, 1040, 1046, 1144, 1352, 1430, 1690, 1859, 2092, 2288, 2615, 2704, 2860, 3380, 3718, 4184, 5230, 5720, 5753, 6760, 6799, 7436, 8368, 9295, 10460, 11440, 11506, 13520, 13598, 14872, 18590, 20920, 23012, 27196, 28765, 29744, 33995, 37180, 41840, 46024, 54392, 57530, 67990, 74360, 74789, 88387, 92048, 108784, 115060, 135980, 148720, 149578, 176774, 230120, 271960, 299156, 353548, 373945, 441935, 460240, 543920, 598312, 707096, 747890, 883870, 972257, 1196624, 1414192, 1495780, 1767740, 1944514, 2991560, 3535480, 3889028, 4861285, 5983120, 7070960, 7778056, 9722570, 15556112, 19445140, 38890280, 77780560]

約数ペア:

[(1, 77780560), (2, 38890280), (4, 19445140), (5, 15556112), (8, 9722570), (10, 7778056), (11, 7070960), (13, 5983120), (16, 4861285), (20, 3889028), (22, 3535480), (26, 2991560), (40, 1944514), (44, 1767740), (52, 1495780), (55, 1414192), (65, 1196624), (80, 972257), (88, 883870), (104, 747890), (110, 707096), (130, 598312), (143, 543920), (169, 460240), (176, 441935), (208, 373945), (220, 353548), (260, 299156), (286, 271960), (338, 230120), (440, 176774), (520, 149578), (523, 148720), (572, 135980), (676, 115060), (715, 108784), (845, 92048), (880, 88387), (1040, 74789), (1046, 74360), (1144, 67990), (1352, 57530), (1430, 54392), (1690, 46024), (1859, 41840), (2092, 37180), (2288, 33995), (2615, 29744), (2704, 28765), (2860, 27196), (3380, 23012), (3718, 20920), (4184, 18590), (5230, 14872), (5720, 13598), (5753, 13520), (6760, 11506), (6799, 11440), (7436, 10460), (8368, 9295)]