56671440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 240

約数和(自身を含む): 210343680

約数和(自身を除く): 153672240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 61, 70, 79, 80, 84, 98, 105, 112, 120, 122, 140, 147, 158, 168, 183, 196, 210, 237, 240, 244, 245, 280, 294, 305, 316, 336, 366, 392, 395, 420, 427, 474, 488, 490, 553, 560, 588, 610, 632, 732, 735, 784, 790, 840, 854, 915, 948, 976, 980, 1106, 1176, 1185, 1220, 1264, 1281, 1464, 1470, 1580, 1659, 1680, 1708, 1830, 1896, 1960, 2135, 2212, 2352, 2370, 2440, 2562, 2765, 2928, 2940, 2989, 3160, 3318, 3416, 3660, 3792, 3871, 3920, 4270, 4424, 4740, 4819, 4880, 5124, 5530, 5880, 5978, 6320, 6405, 6636, 6832, 7320, 7742, 8295, 8540, 8848, 8967, 9480, 9638, 10248, 11060, 11613, 11760, 11956, 12810, 13272, 14457, 14640, 14945, 15484, 16590, 17080, 17934, 18960, 19276, 19355, 20496, 22120, 23226, 23912, 24095, 25620, 26544, 28914, 29890, 30968, 33180, 33733, 34160, 35868, 38552, 38710, 44240, 44835, 46452, 47824, 48190, 51240, 57828, 58065, 59780, 61936, 66360, 67466, 71736, 72285, 77104, 77420, 89670, 92904, 96380, 101199, 102480, 115656, 116130, 119560, 132720, 134932, 143472, 144570, 154840, 168665, 179340, 185808, 192760, 202398, 231312, 232260, 236131, 239120, 269864, 289140, 309680, 337330, 358680, 385520, 404796, 464520, 472262, 505995, 539728, 578280, 674660, 708393, 717360, 809592, 929040, 944524, 1011990, 1156560, 1180655, 1349320, 1416786, 1619184, 1889048, 2023980, 2361310, 2698640, 2833572, 3541965, 3778096, 4047960, 4722620, 5667144, 7083930, 8095920, 9445240, 11334288, 14167860, 18890480, 28335720, 56671440]

約数ペア:

[(1, 56671440), (2, 28335720), (3, 18890480), (4, 14167860), (5, 11334288), (6, 9445240), (7, 8095920), (8, 7083930), (10, 5667144), (12, 4722620), (14, 4047960), (15, 3778096), (16, 3541965), (20, 2833572), (21, 2698640), (24, 2361310), (28, 2023980), (30, 1889048), (35, 1619184), (40, 1416786), (42, 1349320), (48, 1180655), (49, 1156560), (56, 1011990), (60, 944524), (61, 929040), (70, 809592), (79, 717360), (80, 708393), (84, 674660), (98, 578280), (105, 539728), (112, 505995), (120, 472262), (122, 464520), (140, 404796), (147, 385520), (158, 358680), (168, 337330), (183, 309680), (196, 289140), (210, 269864), (237, 239120), (240, 236131), (244, 232260), (245, 231312), (280, 202398), (294, 192760), (305, 185808), (316, 179340), (336, 168665), (366, 154840), (392, 144570), (395, 143472), (420, 134932), (427, 132720), (474, 119560), (488, 116130), (490, 115656), (553, 102480), (560, 101199), (588, 96380), (610, 92904), (632, 89670), (732, 77420), (735, 77104), (784, 72285), (790, 71736), (840, 67466), (854, 66360), (915, 61936), (948, 59780), (976, 58065), (980, 57828), (1106, 51240), (1176, 48190), (1185, 47824), (1220, 46452), (1264, 44835), (1281, 44240), (1464, 38710), (1470, 38552), (1580, 35868), (1659, 34160), (1680, 33733), (1708, 33180), (1830, 30968), (1896, 29890), (1960, 28914), (2135, 26544), (2212, 25620), (2352, 24095), (2370, 23912), (2440, 23226), (2562, 22120), (2765, 20496), (2928, 19355), (2940, 19276), (2989, 18960), (3160, 17934), (3318, 17080), (3416, 16590), (3660, 15484), (3792, 14945), (3871, 14640), (3920, 14457), (4270, 13272), (4424, 12810), (4740, 11956), (4819, 11760), (4880, 11613), (5124, 11060), (5530, 10248), (5880, 9638), (5978, 9480), (6320, 8967), (6405, 8848), (6636, 8540), (6832, 8295), (7320, 7742)]