207795280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 240

約数和(自身を含む): 631031040

約数和(自身を除く): 423235760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 61, 70, 77, 79, 80, 88, 98, 110, 112, 122, 140, 154, 158, 176, 196, 220, 244, 245, 280, 305, 308, 316, 385, 392, 395, 427, 440, 488, 490, 539, 553, 560, 610, 616, 632, 671, 770, 784, 790, 854, 869, 880, 976, 980, 1078, 1106, 1220, 1232, 1264, 1342, 1540, 1580, 1708, 1738, 1960, 2135, 2156, 2212, 2440, 2684, 2695, 2765, 2989, 3080, 3160, 3355, 3416, 3476, 3871, 3920, 4270, 4312, 4345, 4424, 4697, 4819, 4880, 5368, 5390, 5530, 5978, 6083, 6160, 6320, 6710, 6832, 6952, 7742, 8540, 8624, 8690, 8848, 9394, 9638, 10736, 10780, 11060, 11956, 12166, 13420, 13904, 14945, 15484, 17080, 17380, 18788, 19276, 19355, 21560, 22120, 23485, 23912, 24095, 24332, 26840, 29890, 30415, 30968, 32879, 33733, 34160, 34760, 37576, 38552, 38710, 42581, 43120, 44240, 46970, 47824, 48190, 48664, 53009, 53680, 59780, 60830, 61936, 65758, 67466, 69520, 75152, 77104, 77420, 85162, 93940, 96380, 97328, 106018, 119560, 121660, 131516, 134932, 154840, 164395, 168665, 170324, 187880, 192760, 212036, 212905, 236131, 239120, 243320, 263032, 265045, 269864, 309680, 328790, 337330, 340648, 371063, 375760, 385520, 424072, 425810, 472262, 486640, 526064, 530090, 539728, 657580, 674660, 681296, 742126, 848144, 851620, 944524, 1060180, 1180655, 1315160, 1349320, 1484252, 1703240, 1855315, 1889048, 2120360, 2361310, 2597441, 2630320, 2698640, 2968504, 3406480, 3710630, 3778096, 4240720, 4722620, 5194882, 5937008, 7421260, 9445240, 10389764, 12987205, 14842520, 18890480, 20779528, 25974410, 29685040, 41559056, 51948820, 103897640, 207795280]

約数ペア:

[(1, 207795280), (2, 103897640), (4, 51948820), (5, 41559056), (7, 29685040), (8, 25974410), (10, 20779528), (11, 18890480), (14, 14842520), (16, 12987205), (20, 10389764), (22, 9445240), (28, 7421260), (35, 5937008), (40, 5194882), (44, 4722620), (49, 4240720), (55, 3778096), (56, 3710630), (61, 3406480), (70, 2968504), (77, 2698640), (79, 2630320), (80, 2597441), (88, 2361310), (98, 2120360), (110, 1889048), (112, 1855315), (122, 1703240), (140, 1484252), (154, 1349320), (158, 1315160), (176, 1180655), (196, 1060180), (220, 944524), (244, 851620), (245, 848144), (280, 742126), (305, 681296), (308, 674660), (316, 657580), (385, 539728), (392, 530090), (395, 526064), (427, 486640), (440, 472262), (488, 425810), (490, 424072), (539, 385520), (553, 375760), (560, 371063), (610, 340648), (616, 337330), (632, 328790), (671, 309680), (770, 269864), (784, 265045), (790, 263032), (854, 243320), (869, 239120), (880, 236131), (976, 212905), (980, 212036), (1078, 192760), (1106, 187880), (1220, 170324), (1232, 168665), (1264, 164395), (1342, 154840), (1540, 134932), (1580, 131516), (1708, 121660), (1738, 119560), (1960, 106018), (2135, 97328), (2156, 96380), (2212, 93940), (2440, 85162), (2684, 77420), (2695, 77104), (2765, 75152), (2989, 69520), (3080, 67466), (3160, 65758), (3355, 61936), (3416, 60830), (3476, 59780), (3871, 53680), (3920, 53009), (4270, 48664), (4312, 48190), (4345, 47824), (4424, 46970), (4697, 44240), (4819, 43120), (4880, 42581), (5368, 38710), (5390, 38552), (5530, 37576), (5978, 34760), (6083, 34160), (6160, 33733), (6320, 32879), (6710, 30968), (6832, 30415), (6952, 29890), (7742, 26840), (8540, 24332), (8624, 24095), (8690, 23912), (8848, 23485), (9394, 22120), (9638, 21560), (10736, 19355), (10780, 19276), (11060, 18788), (11956, 17380), (12166, 17080), (13420, 15484), (13904, 14945)]