42172020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 216

約数和(自身を含む): 149778720

約数和(自身を除く): 107606700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 59, 60, 66, 76, 90, 95, 99, 110, 114, 118, 132, 165, 171, 177, 180, 190, 198, 209, 220, 228, 236, 285, 295, 330, 342, 354, 361, 380, 396, 418, 495, 531, 570, 590, 627, 649, 660, 684, 708, 722, 836, 855, 885, 990, 1045, 1062, 1083, 1121, 1140, 1180, 1254, 1298, 1444, 1710, 1770, 1805, 1881, 1947, 1980, 2090, 2124, 2166, 2242, 2508, 2596, 2655, 3135, 3245, 3249, 3363, 3420, 3540, 3610, 3762, 3894, 3971, 4180, 4332, 4484, 5310, 5415, 5605, 5841, 6270, 6490, 6498, 6726, 7220, 7524, 7788, 7942, 9405, 9735, 10089, 10620, 10830, 11210, 11682, 11913, 12331, 12540, 12980, 12996, 13452, 15884, 16245, 16815, 18810, 19470, 19855, 20178, 21299, 21660, 22420, 23364, 23826, 24662, 29205, 32490, 33630, 35739, 36993, 37620, 38940, 39710, 40356, 42598, 47652, 49324, 50445, 58410, 59565, 61655, 63897, 64980, 67260, 71478, 73986, 79420, 85196, 100890, 106495, 110979, 116820, 119130, 123310, 127794, 142956, 147972, 178695, 184965, 191691, 201780, 212990, 221958, 234289, 238260, 246620, 255588, 319485, 357390, 369930, 383382, 425980, 443916, 468578, 554895, 638970, 702867, 714780, 739860, 766764, 937156, 958455, 1109790, 1171445, 1277940, 1405734, 1916910, 2108601, 2219580, 2342890, 2811468, 3514335, 3833820, 4217202, 4685780, 7028670, 8434404, 10543005, 14057340, 21086010, 42172020]

約数ペア:

[(1, 42172020), (2, 21086010), (3, 14057340), (4, 10543005), (5, 8434404), (6, 7028670), (9, 4685780), (10, 4217202), (11, 3833820), (12, 3514335), (15, 2811468), (18, 2342890), (19, 2219580), (20, 2108601), (22, 1916910), (30, 1405734), (33, 1277940), (36, 1171445), (38, 1109790), (44, 958455), (45, 937156), (55, 766764), (57, 739860), (59, 714780), (60, 702867), (66, 638970), (76, 554895), (90, 468578), (95, 443916), (99, 425980), (110, 383382), (114, 369930), (118, 357390), (132, 319485), (165, 255588), (171, 246620), (177, 238260), (180, 234289), (190, 221958), (198, 212990), (209, 201780), (220, 191691), (228, 184965), (236, 178695), (285, 147972), (295, 142956), (330, 127794), (342, 123310), (354, 119130), (361, 116820), (380, 110979), (396, 106495), (418, 100890), (495, 85196), (531, 79420), (570, 73986), (590, 71478), (627, 67260), (649, 64980), (660, 63897), (684, 61655), (708, 59565), (722, 58410), (836, 50445), (855, 49324), (885, 47652), (990, 42598), (1045, 40356), (1062, 39710), (1083, 38940), (1121, 37620), (1140, 36993), (1180, 35739), (1254, 33630), (1298, 32490), (1444, 29205), (1710, 24662), (1770, 23826), (1805, 23364), (1881, 22420), (1947, 21660), (1980, 21299), (2090, 20178), (2124, 19855), (2166, 19470), (2242, 18810), (2508, 16815), (2596, 16245), (2655, 15884), (3135, 13452), (3245, 12996), (3249, 12980), (3363, 12540), (3420, 12331), (3540, 11913), (3610, 11682), (3762, 11210), (3894, 10830), (3971, 10620), (4180, 10089), (4332, 9735), (4484, 9405), (5310, 7942), (5415, 7788), (5605, 7524), (5841, 7220), (6270, 6726), (6490, 6498)]