1918404540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{757}}^1$

素因数の和:826

約数の個数: 288

約数和(自身を含む): 6792528960

約数和(自身を除く): 4874124420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 108, 114, 117, 130, 135, 156, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 342, 351, 361, 380, 390, 468, 494, 513, 540, 570, 585, 684, 702, 722, 741, 757, 780, 855, 988, 1026, 1083, 1140, 1170, 1235, 1404, 1444, 1482, 1514, 1710, 1755, 1805, 2052, 2166, 2223, 2271, 2340, 2470, 2565, 2964, 3028, 3249, 3420, 3510, 3610, 3705, 3785, 4332, 4446, 4542, 4693, 4940, 5130, 5415, 6498, 6669, 6813, 7020, 7220, 7410, 7570, 8892, 9084, 9386, 9747, 9841, 10260, 10830, 11115, 11355, 12996, 13338, 13626, 14079, 14383, 14820, 15140, 16245, 18772, 19494, 19682, 20439, 21660, 22230, 22710, 23465, 26676, 27252, 28158, 28766, 29523, 32490, 33345, 34065, 38988, 39364, 40878, 42237, 43149, 44460, 45420, 46930, 48735, 49205, 56316, 57532, 59046, 64980, 66690, 68130, 70395, 71915, 81756, 84474, 86298, 88569, 93860, 97470, 98410, 102195, 118092, 126711, 129447, 133380, 136260, 140790, 143830, 147615, 168948, 172596, 177138, 186979, 194940, 196820, 204390, 211185, 215745, 253422, 258894, 265707, 273277, 281580, 287660, 295230, 354276, 373958, 388341, 408780, 422370, 431490, 442845, 506844, 517788, 531414, 546554, 560937, 590460, 633555, 647235, 747916, 776682, 819831, 844740, 862980, 885690, 934895, 1062828, 1093108, 1121874, 1267110, 1294470, 1328535, 1366385, 1553364, 1639662, 1682811, 1771380, 1869790, 1941705, 2243748, 2459493, 2534220, 2588940, 2657070, 2732770, 2804685, 3279324, 3365622, 3552601, 3739580, 3883410, 4099155, 4918986, 5048433, 5314140, 5465540, 5609370, 6731244, 7105202, 7378479, 7766820, 8198310, 8414055, 9837972, 10096866, 10657803, 11218740, 12297465, 14210404, 14756958, 16396620, 16828110, 17763005, 20193732, 21315606, 24594930, 25242165, 29513916, 31973409, 33656220, 35526010, 36892395, 42631212, 49189860, 50484330, 53289015, 63946818, 71052020, 73784790, 95920227, 100968660, 106578030, 127893636, 147569580, 159867045, 191840454, 213156060, 319734090, 383680908, 479601135, 639468180, 959202270, 1918404540]

約数ペア:

[(1, 1918404540), (2, 959202270), (3, 639468180), (4, 479601135), (5, 383680908), (6, 319734090), (9, 213156060), (10, 191840454), (12, 159867045), (13, 147569580), (15, 127893636), (18, 106578030), (19, 100968660), (20, 95920227), (26, 73784790), (27, 71052020), (30, 63946818), (36, 53289015), (38, 50484330), (39, 49189860), (45, 42631212), (52, 36892395), (54, 35526010), (57, 33656220), (60, 31973409), (65, 29513916), (76, 25242165), (78, 24594930), (90, 21315606), (95, 20193732), (108, 17763005), (114, 16828110), (117, 16396620), (130, 14756958), (135, 14210404), (156, 12297465), (171, 11218740), (180, 10657803), (190, 10096866), (195, 9837972), (228, 8414055), (234, 8198310), (247, 7766820), (260, 7378479), (270, 7105202), (285, 6731244), (342, 5609370), (351, 5465540), (361, 5314140), (380, 5048433), (390, 4918986), (468, 4099155), (494, 3883410), (513, 3739580), (540, 3552601), (570, 3365622), (585, 3279324), (684, 2804685), (702, 2732770), (722, 2657070), (741, 2588940), (757, 2534220), (780, 2459493), (855, 2243748), (988, 1941705), (1026, 1869790), (1083, 1771380), (1140, 1682811), (1170, 1639662), (1235, 1553364), (1404, 1366385), (1444, 1328535), (1482, 1294470), (1514, 1267110), (1710, 1121874), (1755, 1093108), (1805, 1062828), (2052, 934895), (2166, 885690), (2223, 862980), (2271, 844740), (2340, 819831), (2470, 776682), (2565, 747916), (2964, 647235), (3028, 633555), (3249, 590460), (3420, 560937), (3510, 546554), (3610, 531414), (3705, 517788), (3785, 506844), (4332, 442845), (4446, 431490), (4542, 422370), (4693, 408780), (4940, 388341), (5130, 373958), (5415, 354276), (6498, 295230), (6669, 287660), (6813, 281580), (7020, 273277), (7220, 265707), (7410, 258894), (7570, 253422), (8892, 215745), (9084, 211185), (9386, 204390), (9747, 196820), (9841, 194940), (10260, 186979), (10830, 177138), (11115, 172596), (11355, 168948), (12996, 147615), (13338, 143830), (13626, 140790), (14079, 136260), (14383, 133380), (14820, 129447), (15140, 126711), (16245, 118092), (18772, 102195), (19494, 98410), (19682, 97470), (20439, 93860), (21660, 88569), (22230, 86298), (22710, 84474), (23465, 81756), (26676, 71915), (27252, 70395), (28158, 68130), (28766, 66690), (29523, 64980), (32490, 59046), (33345, 57532), (34065, 56316), (38988, 49205), (39364, 48735), (40878, 46930), (42237, 45420), (43149, 44460)]