78765012

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{719}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 212284800

約数和(自身を除く): 133519788

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 179, 204, 306, 358, 537, 612, 716, 719, 1074, 1438, 1611, 2148, 2157, 2876, 3043, 3222, 4314, 6086, 6444, 6471, 8628, 9129, 12172, 12223, 12942, 18258, 24446, 25884, 27387, 36516, 36669, 48892, 54774, 73338, 109548, 110007, 128701, 146676, 220014, 257402, 386103, 440028, 514804, 772206, 1158309, 1544412, 2187917, 2316618, 4375834, 4633236, 6563751, 8751668, 13127502, 19691253, 26255004, 39382506, 78765012]

約数ペア:

[(1, 78765012), (2, 39382506), (3, 26255004), (4, 19691253), (6, 13127502), (9, 8751668), (12, 6563751), (17, 4633236), (18, 4375834), (34, 2316618), (36, 2187917), (51, 1544412), (68, 1158309), (102, 772206), (153, 514804), (179, 440028), (204, 386103), (306, 257402), (358, 220014), (537, 146676), (612, 128701), (716, 110007), (719, 109548), (1074, 73338), (1438, 54774), (1611, 48892), (2148, 36669), (2157, 36516), (2876, 27387), (3043, 25884), (3222, 24446), (4314, 18258), (6086, 12942), (6444, 12223), (6471, 12172), (8628, 9129)]