247725720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^4\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 240

約数和(自身を含む): 904456800

約数和(自身を除く): 656731080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 47, 55, 60, 66, 72, 88, 90, 94, 99, 110, 120, 121, 132, 141, 165, 180, 188, 198, 220, 235, 242, 264, 282, 330, 360, 363, 376, 396, 423, 440, 470, 484, 495, 517, 564, 605, 660, 705, 726, 792, 846, 940, 968, 990, 1034, 1089, 1128, 1210, 1320, 1331, 1410, 1452, 1551, 1692, 1815, 1880, 1980, 2068, 2115, 2178, 2420, 2585, 2662, 2820, 2904, 3102, 3384, 3630, 3960, 3993, 4136, 4230, 4356, 4653, 4840, 5170, 5324, 5445, 5640, 5687, 6204, 6655, 7260, 7755, 7986, 8460, 8712, 9306, 10340, 10648, 10890, 11374, 11979, 12408, 13310, 14520, 14641, 15510, 15972, 16920, 17061, 18612, 19965, 20680, 21780, 22748, 23265, 23958, 26620, 28435, 29282, 31020, 31944, 34122, 37224, 39930, 43560, 43923, 45496, 46530, 47916, 51183, 53240, 56870, 58564, 59895, 62040, 62557, 68244, 73205, 79860, 85305, 87846, 93060, 95832, 102366, 113740, 117128, 119790, 125114, 131769, 136488, 146410, 159720, 170610, 175692, 186120, 187671, 204732, 219615, 227480, 239580, 250228, 255915, 263538, 292820, 312785, 341220, 351384, 375342, 409464, 439230, 479160, 500456, 511830, 527076, 563013, 585640, 625570, 658845, 682440, 688127, 750684, 878460, 938355, 1023660, 1054152, 1126026, 1251140, 1317690, 1376254, 1501368, 1756920, 1876710, 2047320, 2064381, 2252052, 2502280, 2635380, 2752508, 2815065, 3440635, 3753420, 4128762, 4504104, 5270760, 5505016, 5630130, 6193143, 6881270, 7506840, 8257524, 10321905, 11260260, 12386286, 13762540, 16515048, 20643810, 22520520, 24772572, 27525080, 30965715, 41287620, 49545144, 61931430, 82575240, 123862860, 247725720]

約数ペア:

[(1, 247725720), (2, 123862860), (3, 82575240), (4, 61931430), (5, 49545144), (6, 41287620), (8, 30965715), (9, 27525080), (10, 24772572), (11, 22520520), (12, 20643810), (15, 16515048), (18, 13762540), (20, 12386286), (22, 11260260), (24, 10321905), (30, 8257524), (33, 7506840), (36, 6881270), (40, 6193143), (44, 5630130), (45, 5505016), (47, 5270760), (55, 4504104), (60, 4128762), (66, 3753420), (72, 3440635), (88, 2815065), (90, 2752508), (94, 2635380), (99, 2502280), (110, 2252052), (120, 2064381), (121, 2047320), (132, 1876710), (141, 1756920), (165, 1501368), (180, 1376254), (188, 1317690), (198, 1251140), (220, 1126026), (235, 1054152), (242, 1023660), (264, 938355), (282, 878460), (330, 750684), (360, 688127), (363, 682440), (376, 658845), (396, 625570), (423, 585640), (440, 563013), (470, 527076), (484, 511830), (495, 500456), (517, 479160), (564, 439230), (605, 409464), (660, 375342), (705, 351384), (726, 341220), (792, 312785), (846, 292820), (940, 263538), (968, 255915), (990, 250228), (1034, 239580), (1089, 227480), (1128, 219615), (1210, 204732), (1320, 187671), (1331, 186120), (1410, 175692), (1452, 170610), (1551, 159720), (1692, 146410), (1815, 136488), (1880, 131769), (1980, 125114), (2068, 119790), (2115, 117128), (2178, 113740), (2420, 102366), (2585, 95832), (2662, 93060), (2820, 87846), (2904, 85305), (3102, 79860), (3384, 73205), (3630, 68244), (3960, 62557), (3993, 62040), (4136, 59895), (4230, 58564), (4356, 56870), (4653, 53240), (4840, 51183), (5170, 47916), (5324, 46530), (5445, 45496), (5640, 43923), (5687, 43560), (6204, 39930), (6655, 37224), (7260, 34122), (7755, 31944), (7986, 31020), (8460, 29282), (8712, 28435), (9306, 26620), (10340, 23958), (10648, 23265), (10890, 22748), (11374, 21780), (11979, 20680), (12408, 19965), (13310, 18612), (14520, 17061), (14641, 16920), (15510, 15972)]