281455740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 288

約数和(自身を含む): 981227520

約数和(自身を除く): 699771780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 47, 51, 57, 60, 68, 76, 85, 90, 94, 95, 102, 103, 114, 141, 153, 170, 171, 180, 188, 190, 204, 206, 228, 235, 255, 282, 285, 306, 309, 323, 340, 342, 380, 412, 423, 470, 510, 515, 564, 570, 612, 618, 646, 684, 705, 765, 799, 846, 855, 893, 927, 940, 969, 1020, 1030, 1140, 1236, 1292, 1410, 1530, 1545, 1598, 1615, 1692, 1710, 1751, 1786, 1854, 1938, 1957, 2060, 2115, 2397, 2679, 2820, 2907, 3060, 3090, 3196, 3230, 3420, 3502, 3572, 3708, 3876, 3914, 3995, 4230, 4465, 4635, 4794, 4841, 4845, 5253, 5358, 5814, 5871, 6180, 6460, 7004, 7191, 7828, 7990, 8037, 8460, 8755, 8930, 9270, 9588, 9682, 9690, 9785, 10506, 10716, 11628, 11742, 11985, 13395, 14382, 14523, 14535, 15181, 15759, 15980, 16074, 17510, 17613, 17860, 18540, 19364, 19380, 19570, 21012, 23484, 23970, 24205, 26265, 26790, 28764, 29046, 29070, 29355, 30362, 31518, 32148, 33269, 35020, 35226, 35955, 39140, 40185, 43569, 45543, 47940, 48410, 52530, 53580, 58092, 58140, 58710, 60724, 63036, 66538, 70452, 71910, 72615, 75905, 78795, 80370, 82297, 87138, 88065, 91086, 91979, 96820, 99807, 105060, 117420, 133076, 136629, 143820, 145230, 151810, 157590, 160740, 164594, 166345, 174276, 176130, 182172, 183958, 199614, 217845, 227715, 246891, 273258, 275937, 290460, 299421, 303620, 315180, 329188, 332690, 352260, 367916, 399228, 411485, 435690, 455430, 459895, 493782, 499035, 546516, 551874, 598842, 665380, 683145, 740673, 822970, 827811, 871380, 910860, 919790, 987564, 998070, 1103748, 1197684, 1234455, 1366290, 1379685, 1481346, 1497105, 1563643, 1645940, 1655622, 1839580, 1996140, 2468910, 2732580, 2759370, 2962692, 2994210, 3127286, 3311244, 3703365, 4139055, 4690929, 4937820, 5518740, 5988420, 6254572, 7406730, 7818215, 8278110, 9381858, 14072787, 14813460, 15636430, 16556220, 18763716, 23454645, 28145574, 31272860, 46909290, 56291148, 70363935, 93818580, 140727870, 281455740]

約数ペア:

[(1, 281455740), (2, 140727870), (3, 93818580), (4, 70363935), (5, 56291148), (6, 46909290), (9, 31272860), (10, 28145574), (12, 23454645), (15, 18763716), (17, 16556220), (18, 15636430), (19, 14813460), (20, 14072787), (30, 9381858), (34, 8278110), (36, 7818215), (38, 7406730), (45, 6254572), (47, 5988420), (51, 5518740), (57, 4937820), (60, 4690929), (68, 4139055), (76, 3703365), (85, 3311244), (90, 3127286), (94, 2994210), (95, 2962692), (102, 2759370), (103, 2732580), (114, 2468910), (141, 1996140), (153, 1839580), (170, 1655622), (171, 1645940), (180, 1563643), (188, 1497105), (190, 1481346), (204, 1379685), (206, 1366290), (228, 1234455), (235, 1197684), (255, 1103748), (282, 998070), (285, 987564), (306, 919790), (309, 910860), (323, 871380), (340, 827811), (342, 822970), (380, 740673), (412, 683145), (423, 665380), (470, 598842), (510, 551874), (515, 546516), (564, 499035), (570, 493782), (612, 459895), (618, 455430), (646, 435690), (684, 411485), (705, 399228), (765, 367916), (799, 352260), (846, 332690), (855, 329188), (893, 315180), (927, 303620), (940, 299421), (969, 290460), (1020, 275937), (1030, 273258), (1140, 246891), (1236, 227715), (1292, 217845), (1410, 199614), (1530, 183958), (1545, 182172), (1598, 176130), (1615, 174276), (1692, 166345), (1710, 164594), (1751, 160740), (1786, 157590), (1854, 151810), (1938, 145230), (1957, 143820), (2060, 136629), (2115, 133076), (2397, 117420), (2679, 105060), (2820, 99807), (2907, 96820), (3060, 91979), (3090, 91086), (3196, 88065), (3230, 87138), (3420, 82297), (3502, 80370), (3572, 78795), (3708, 75905), (3876, 72615), (3914, 71910), (3995, 70452), (4230, 66538), (4465, 63036), (4635, 60724), (4794, 58710), (4841, 58140), (4845, 58092), (5253, 53580), (5358, 52530), (5814, 48410), (5871, 47940), (6180, 45543), (6460, 43569), (7004, 40185), (7191, 39140), (7828, 35955), (7990, 35226), (8037, 35020), (8460, 33269), (8755, 32148), (8930, 31518), (9270, 30362), (9588, 29355), (9682, 29070), (9690, 29046), (9785, 28764), (10506, 26790), (10716, 26265), (11628, 24205), (11742, 23970), (11985, 23484), (13395, 21012), (14382, 19570), (14523, 19380), (14535, 19364), (15181, 18540), (15759, 17860), (15980, 17613), (16074, 17510)]