1781493480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{569}}^1$

素因数の和:825

約数の個数: 256

約数和(自身を含む): 6435072000

約数和(自身を除く): 4653578520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 223, 234, 260, 270, 312, 351, 360, 390, 446, 468, 520, 540, 569, 585, 669, 702, 780, 892, 936, 1080, 1115, 1138, 1170, 1338, 1404, 1560, 1707, 1755, 1784, 2007, 2230, 2276, 2340, 2676, 2808, 2845, 2899, 3345, 3414, 3510, 4014, 4460, 4552, 4680, 5121, 5352, 5690, 5798, 6021, 6690, 6828, 7020, 7397, 8028, 8535, 8697, 8920, 10035, 10242, 11380, 11596, 12042, 13380, 13656, 14040, 14495, 14794, 15363, 16056, 17070, 17394, 20070, 20484, 22191, 22760, 23192, 24084, 25605, 26091, 26760, 28990, 29588, 30105, 30726, 34140, 34788, 36985, 40140, 40968, 43485, 44382, 48168, 51210, 52182, 57980, 59176, 60210, 61452, 66573, 68280, 69576, 73970, 76815, 78273, 80280, 86970, 88764, 102420, 104364, 110955, 115960, 120420, 122904, 126887, 130455, 133146, 147940, 153630, 156546, 173940, 177528, 199719, 204840, 208728, 221910, 240840, 253774, 260910, 266292, 295880, 307260, 313092, 332865, 347880, 380661, 391365, 399438, 443820, 507548, 521820, 532584, 614520, 626184, 634435, 665730, 761322, 782730, 798876, 887640, 998595, 1015096, 1043640, 1141983, 1268870, 1331460, 1522644, 1565460, 1597752, 1649531, 1903305, 1997190, 2283966, 2537740, 2662920, 3045288, 3130920, 3299062, 3425949, 3806610, 3994380, 4567932, 4948593, 5075480, 5709915, 6598124, 6851898, 7613220, 7988760, 8247655, 9135864, 9897186, 11419830, 13196248, 13703796, 14845779, 15226440, 16495310, 17129745, 19794372, 22839660, 24742965, 27407592, 29691558, 32990620, 34259490, 39588744, 44537337, 45679320, 49485930, 59383116, 65981240, 68518980, 74228895, 89074674, 98971860, 118766232, 137037960, 148457790, 178149348, 197943720, 222686685, 296915580, 356298696, 445373370, 593831160, 890746740, 1781493480]

約数ペア:

[(1, 1781493480), (2, 890746740), (3, 593831160), (4, 445373370), (5, 356298696), (6, 296915580), (8, 222686685), (9, 197943720), (10, 178149348), (12, 148457790), (13, 137037960), (15, 118766232), (18, 98971860), (20, 89074674), (24, 74228895), (26, 68518980), (27, 65981240), (30, 59383116), (36, 49485930), (39, 45679320), (40, 44537337), (45, 39588744), (52, 34259490), (54, 32990620), (60, 29691558), (65, 27407592), (72, 24742965), (78, 22839660), (90, 19794372), (104, 17129745), (108, 16495310), (117, 15226440), (120, 14845779), (130, 13703796), (135, 13196248), (156, 11419830), (180, 9897186), (195, 9135864), (216, 8247655), (223, 7988760), (234, 7613220), (260, 6851898), (270, 6598124), (312, 5709915), (351, 5075480), (360, 4948593), (390, 4567932), (446, 3994380), (468, 3806610), (520, 3425949), (540, 3299062), (569, 3130920), (585, 3045288), (669, 2662920), (702, 2537740), (780, 2283966), (892, 1997190), (936, 1903305), (1080, 1649531), (1115, 1597752), (1138, 1565460), (1170, 1522644), (1338, 1331460), (1404, 1268870), (1560, 1141983), (1707, 1043640), (1755, 1015096), (1784, 998595), (2007, 887640), (2230, 798876), (2276, 782730), (2340, 761322), (2676, 665730), (2808, 634435), (2845, 626184), (2899, 614520), (3345, 532584), (3414, 521820), (3510, 507548), (4014, 443820), (4460, 399438), (4552, 391365), (4680, 380661), (5121, 347880), (5352, 332865), (5690, 313092), (5798, 307260), (6021, 295880), (6690, 266292), (6828, 260910), (7020, 253774), (7397, 240840), (8028, 221910), (8535, 208728), (8697, 204840), (8920, 199719), (10035, 177528), (10242, 173940), (11380, 156546), (11596, 153630), (12042, 147940), (13380, 133146), (13656, 130455), (14040, 126887), (14495, 122904), (14794, 120420), (15363, 115960), (16056, 110955), (17070, 104364), (17394, 102420), (20070, 88764), (20484, 86970), (22191, 80280), (22760, 78273), (23192, 76815), (24084, 73970), (25605, 69576), (26091, 68280), (26760, 66573), (28990, 61452), (29588, 60210), (30105, 59176), (30726, 57980), (34140, 52182), (34788, 51210), (36985, 48168), (40140, 44382), (40968, 43485)]