67438980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:360

約数の個数: 240

約数和(自身を含む): 255319680

約数和(自身を除く): 187880700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 313, 315, 324, 342, 378, 380, 399, 405, 420, 513, 532, 540, 567, 570, 626, 630, 665, 684, 756, 798, 810, 855, 939, 945, 1026, 1134, 1140, 1197, 1252, 1260, 1330, 1539, 1565, 1596, 1620, 1710, 1878, 1890, 1995, 2052, 2191, 2268, 2394, 2565, 2660, 2817, 2835, 3078, 3130, 3420, 3591, 3756, 3780, 3990, 4382, 4695, 4788, 5130, 5634, 5670, 5947, 5985, 6156, 6260, 6573, 7182, 7695, 7980, 8451, 8764, 9390, 10260, 10773, 10955, 11268, 11340, 11894, 11970, 13146, 14085, 14364, 15390, 16902, 17841, 17955, 18780, 19719, 21546, 21910, 23788, 23940, 25353, 26292, 28170, 29735, 30780, 32865, 33804, 35682, 35910, 39438, 41629, 42255, 43092, 43820, 50706, 53523, 53865, 56340, 59157, 59470, 65730, 71364, 71820, 78876, 83258, 84510, 89205, 98595, 101412, 107046, 107730, 118314, 118940, 124887, 126765, 131460, 160569, 166516, 169020, 177471, 178410, 197190, 208145, 214092, 215460, 236628, 249774, 253530, 267615, 295785, 321138, 354942, 356820, 374661, 394380, 416290, 481707, 499548, 507060, 535230, 591570, 624435, 642276, 709884, 749322, 802845, 832580, 887355, 963414, 1070460, 1123983, 1183140, 1248870, 1498644, 1605690, 1774710, 1873305, 1926828, 2247966, 2408535, 2497740, 3211380, 3371949, 3549420, 3746610, 4495932, 4817070, 5619915, 6743898, 7493220, 9634140, 11239830, 13487796, 16859745, 22479660, 33719490, 67438980]

約数ペア:

[(1, 67438980), (2, 33719490), (3, 22479660), (4, 16859745), (5, 13487796), (6, 11239830), (7, 9634140), (9, 7493220), (10, 6743898), (12, 5619915), (14, 4817070), (15, 4495932), (18, 3746610), (19, 3549420), (20, 3371949), (21, 3211380), (27, 2497740), (28, 2408535), (30, 2247966), (35, 1926828), (36, 1873305), (38, 1774710), (42, 1605690), (45, 1498644), (54, 1248870), (57, 1183140), (60, 1123983), (63, 1070460), (70, 963414), (76, 887355), (81, 832580), (84, 802845), (90, 749322), (95, 709884), (105, 642276), (108, 624435), (114, 591570), (126, 535230), (133, 507060), (135, 499548), (140, 481707), (162, 416290), (171, 394380), (180, 374661), (189, 356820), (190, 354942), (210, 321138), (228, 295785), (252, 267615), (266, 253530), (270, 249774), (285, 236628), (313, 215460), (315, 214092), (324, 208145), (342, 197190), (378, 178410), (380, 177471), (399, 169020), (405, 166516), (420, 160569), (513, 131460), (532, 126765), (540, 124887), (567, 118940), (570, 118314), (626, 107730), (630, 107046), (665, 101412), (684, 98595), (756, 89205), (798, 84510), (810, 83258), (855, 78876), (939, 71820), (945, 71364), (1026, 65730), (1134, 59470), (1140, 59157), (1197, 56340), (1252, 53865), (1260, 53523), (1330, 50706), (1539, 43820), (1565, 43092), (1596, 42255), (1620, 41629), (1710, 39438), (1878, 35910), (1890, 35682), (1995, 33804), (2052, 32865), (2191, 30780), (2268, 29735), (2394, 28170), (2565, 26292), (2660, 25353), (2817, 23940), (2835, 23788), (3078, 21910), (3130, 21546), (3420, 19719), (3591, 18780), (3756, 17955), (3780, 17841), (3990, 16902), (4382, 15390), (4695, 14364), (4788, 14085), (5130, 13146), (5634, 11970), (5670, 11894), (5947, 11340), (5985, 11268), (6156, 10955), (6260, 10773), (6573, 10260), (7182, 9390), (7695, 8764), (7980, 8451)]