28941660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 98122752

約数和(自身を除く): 69181092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 47, 55, 60, 66, 90, 94, 99, 110, 132, 141, 165, 180, 188, 198, 220, 235, 282, 311, 330, 396, 423, 470, 495, 517, 564, 622, 660, 705, 846, 933, 940, 990, 1034, 1244, 1410, 1551, 1555, 1692, 1866, 1980, 2068, 2115, 2585, 2799, 2820, 3102, 3110, 3421, 3732, 4230, 4653, 4665, 5170, 5598, 6204, 6220, 6842, 7755, 8460, 9306, 9330, 10263, 10340, 11196, 13684, 13995, 14617, 15510, 17105, 18612, 18660, 20526, 23265, 27990, 29234, 30789, 31020, 34210, 41052, 43851, 46530, 51315, 55980, 58468, 61578, 68420, 73085, 87702, 93060, 102630, 123156, 131553, 146170, 153945, 160787, 175404, 205260, 219255, 263106, 292340, 307890, 321574, 438510, 482361, 526212, 615780, 643148, 657765, 803935, 877020, 964722, 1315530, 1447083, 1607870, 1929444, 2411805, 2631060, 2894166, 3215740, 4823610, 5788332, 7235415, 9647220, 14470830, 28941660]

約数ペア:

[(1, 28941660), (2, 14470830), (3, 9647220), (4, 7235415), (5, 5788332), (6, 4823610), (9, 3215740), (10, 2894166), (11, 2631060), (12, 2411805), (15, 1929444), (18, 1607870), (20, 1447083), (22, 1315530), (30, 964722), (33, 877020), (36, 803935), (44, 657765), (45, 643148), (47, 615780), (55, 526212), (60, 482361), (66, 438510), (90, 321574), (94, 307890), (99, 292340), (110, 263106), (132, 219255), (141, 205260), (165, 175404), (180, 160787), (188, 153945), (198, 146170), (220, 131553), (235, 123156), (282, 102630), (311, 93060), (330, 87702), (396, 73085), (423, 68420), (470, 61578), (495, 58468), (517, 55980), (564, 51315), (622, 46530), (660, 43851), (705, 41052), (846, 34210), (933, 31020), (940, 30789), (990, 29234), (1034, 27990), (1244, 23265), (1410, 20526), (1551, 18660), (1555, 18612), (1692, 17105), (1866, 15510), (1980, 14617), (2068, 13995), (2115, 13684), (2585, 11196), (2799, 10340), (2820, 10263), (3102, 9330), (3110, 9306), (3421, 8460), (3732, 7755), (4230, 6842), (4653, 6220), (4665, 6204), (5170, 5598)]