87838920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^2$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 309696660

約数和(自身を除く): 221857740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 137, 156, 180, 195, 234, 260, 274, 312, 360, 390, 411, 468, 520, 548, 585, 685, 780, 822, 936, 1096, 1170, 1233, 1370, 1560, 1644, 1781, 2055, 2340, 2466, 2740, 3288, 3562, 4110, 4680, 4932, 5343, 5480, 6165, 7124, 8220, 8905, 9864, 10686, 12330, 14248, 16029, 16440, 17810, 18769, 21372, 24660, 26715, 32058, 35620, 37538, 42744, 49320, 53430, 56307, 64116, 71240, 75076, 80145, 93845, 106860, 112614, 128232, 150152, 160290, 168921, 187690, 213720, 225228, 243997, 281535, 320580, 337842, 375380, 450456, 487994, 563070, 641160, 675684, 731991, 750760, 844605, 975988, 1126140, 1219985, 1351368, 1463982, 1689210, 1951976, 2195973, 2252280, 2439970, 2927964, 3378420, 3659955, 4391946, 4879940, 5855928, 6756840, 7319910, 8783892, 9759880, 10979865, 14639820, 17567784, 21959730, 29279640, 43919460, 87838920]

約数ペア:

[(1, 87838920), (2, 43919460), (3, 29279640), (4, 21959730), (5, 17567784), (6, 14639820), (8, 10979865), (9, 9759880), (10, 8783892), (12, 7319910), (13, 6756840), (15, 5855928), (18, 4879940), (20, 4391946), (24, 3659955), (26, 3378420), (30, 2927964), (36, 2439970), (39, 2252280), (40, 2195973), (45, 1951976), (52, 1689210), (60, 1463982), (65, 1351368), (72, 1219985), (78, 1126140), (90, 975988), (104, 844605), (117, 750760), (120, 731991), (130, 675684), (137, 641160), (156, 563070), (180, 487994), (195, 450456), (234, 375380), (260, 337842), (274, 320580), (312, 281535), (360, 243997), (390, 225228), (411, 213720), (468, 187690), (520, 168921), (548, 160290), (585, 150152), (685, 128232), (780, 112614), (822, 106860), (936, 93845), (1096, 80145), (1170, 75076), (1233, 71240), (1370, 64116), (1560, 56307), (1644, 53430), (1781, 49320), (2055, 42744), (2340, 37538), (2466, 35620), (2740, 32058), (3288, 26715), (3562, 24660), (4110, 21372), (4680, 18769), (4932, 17810), (5343, 16440), (5480, 16029), (6165, 14248), (7124, 12330), (8220, 10686), (8905, 9864)]