30509820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 106404480

約数和(自身を除く): 75894660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 811, 836, 855, 990, 1045, 1140, 1254, 1622, 1710, 1881, 1980, 2090, 2433, 2508, 3135, 3244, 3420, 3762, 4055, 4180, 4866, 6270, 7299, 7524, 8110, 8921, 9405, 9732, 12165, 12540, 14598, 15409, 16220, 17842, 18810, 24330, 26763, 29196, 30818, 35684, 36495, 37620, 44605, 46227, 48660, 53526, 61636, 72990, 77045, 80289, 89210, 92454, 107052, 133815, 138681, 145980, 154090, 160578, 169499, 178420, 184908, 231135, 267630, 277362, 308180, 321156, 338998, 401445, 462270, 508497, 535260, 554724, 677996, 693405, 802890, 847495, 924540, 1016994, 1386810, 1525491, 1605780, 1694990, 2033988, 2542485, 2773620, 3050982, 3389980, 5084970, 6101964, 7627455, 10169940, 15254910, 30509820]

約数ペア:

[(1, 30509820), (2, 15254910), (3, 10169940), (4, 7627455), (5, 6101964), (6, 5084970), (9, 3389980), (10, 3050982), (11, 2773620), (12, 2542485), (15, 2033988), (18, 1694990), (19, 1605780), (20, 1525491), (22, 1386810), (30, 1016994), (33, 924540), (36, 847495), (38, 802890), (44, 693405), (45, 677996), (55, 554724), (57, 535260), (60, 508497), (66, 462270), (76, 401445), (90, 338998), (95, 321156), (99, 308180), (110, 277362), (114, 267630), (132, 231135), (165, 184908), (171, 178420), (180, 169499), (190, 160578), (198, 154090), (209, 145980), (220, 138681), (228, 133815), (285, 107052), (330, 92454), (342, 89210), (380, 80289), (396, 77045), (418, 72990), (495, 61636), (570, 53526), (627, 48660), (660, 46227), (684, 44605), (811, 37620), (836, 36495), (855, 35684), (990, 30818), (1045, 29196), (1140, 26763), (1254, 24330), (1622, 18810), (1710, 17842), (1881, 16220), (1980, 15409), (2090, 14598), (2433, 12540), (2508, 12165), (3135, 9732), (3244, 9405), (3420, 8921), (3762, 8110), (4055, 7524), (4180, 7299), (4866, 6270)]