81069210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 221130000

約数和(自身を除く): 140060790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 89, 90, 145, 174, 178, 261, 267, 290, 349, 435, 445, 522, 534, 698, 801, 870, 890, 1047, 1305, 1335, 1602, 1745, 2094, 2581, 2610, 2670, 3141, 3490, 4005, 5162, 5235, 6282, 7743, 8010, 10121, 10470, 12905, 15486, 15705, 20242, 23229, 25810, 30363, 31061, 31410, 38715, 46458, 50605, 60726, 62122, 77430, 91089, 93183, 101210, 116145, 151815, 155305, 182178, 186366, 232290, 279549, 303630, 310610, 455445, 465915, 559098, 900769, 910890, 931830, 1397745, 1801538, 2702307, 2795490, 4503845, 5404614, 8106921, 9007690, 13511535, 16213842, 27023070, 40534605, 81069210]

約数ペア:

[(1, 81069210), (2, 40534605), (3, 27023070), (5, 16213842), (6, 13511535), (9, 9007690), (10, 8106921), (15, 5404614), (18, 4503845), (29, 2795490), (30, 2702307), (45, 1801538), (58, 1397745), (87, 931830), (89, 910890), (90, 900769), (145, 559098), (174, 465915), (178, 455445), (261, 310610), (267, 303630), (290, 279549), (349, 232290), (435, 186366), (445, 182178), (522, 155305), (534, 151815), (698, 116145), (801, 101210), (870, 93183), (890, 91089), (1047, 77430), (1305, 62122), (1335, 60726), (1602, 50605), (1745, 46458), (2094, 38715), (2581, 31410), (2610, 31061), (2670, 30363), (3141, 25810), (3490, 23229), (4005, 20242), (5162, 15705), (5235, 15486), (6282, 12905), (7743, 10470), (8010, 10121)]